*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fc;
            color: #1a2634;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #004d99;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #0b1e33;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.5rem;
            border-left: 6px solid #e63946;
            padding-left: 18px;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #dce5ef;
            padding-bottom: 8px;
        }
        h3 {
            font-size: 1.3rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c4c6e;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1rem;
            color: #2a3748;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.4rem 2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            background: #ffffff;
            border-radius: 20px;
            padding: 24px 28px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            margin: 20px 0;
        }
        .badge {
            background: #e63946;
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 1px solid #dce5ef;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(145deg, #0b1e33, #1e3a5f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: #e63946;
            font-size: 2rem;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: inherit;
            color: inherit;
        }
        .my-logo a:hover {
            text-decoration: none;
            color: inherit;
        }
        .hamburger {
            display: none;
            font-size: 1.9rem;
            background: none;
            border: none;
            color: #0b1e33;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef3f9;
        }
        nav#main-nav ul {
            display: flex;
            list-style: none;
            margin: 0;
            gap: 20px;
            flex-wrap: wrap;
        }
        nav#main-nav ul li a {
            font-weight: 600;
            color: #1e3a5f;
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        nav#main-nav ul li a:hover {
            border-bottom-color: #e63946;
            color: #e63946;
            text-decoration: none;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: #5a6f84;
            padding: 10px 0 6px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #004d99;
        }
        .breadcrumb span {
            margin: 0 4px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0 10px;
            max-width: 500px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #dce5ef;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #004d99;
        }
        .search-form button {
            background: #004d99;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0 24px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #e63946;
        }
        .rating-area {
            background: #f0f5fe;
            padding: 18px 22px;
            border-radius: 16px;
            margin: 18px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px 28px;
        }
        .stars {
            display: flex;
            gap: 4px;
            font-size: 1.9rem;
            color: #f4c430;
            cursor: pointer;
        }
        .stars i {
            transition: transform 0.15s, color 0.15s;
        }
        .stars i:hover {
            transform: scale(1.25);
            color: #e6b800;
        }
        .rating-area .score-btn {
            background: #1e3a5f;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 40px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .rating-area .score-btn:hover {
            background: #e63946;
        }
        .rating-note {
            font-size: 0.85rem;
            color: #3d5a78;
        }
        .comment-box {
            background: #fafcff;
            border: 1px solid #e2eaf2;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .comment-box textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #dce5ef;
            border-radius: 12px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border 0.2s;
            font-family: inherit;
        }
        .comment-box textarea:focus {
            border-color: #004d99;
        }
        .comment-box .comment-btn {
            background: #004d99;
            color: #fff;
            border: none;
            padding: 10px 32px;
            border-radius: 40px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .comment-box .comment-btn:hover {
            background: #e63946;
        }
        footer {
            margin: 40px 0 20px;
            padding-top: 24px;
            border-top: 2px solid #dce5ef;
        }
        friend-link {
            display: block;
            background: #f0f5fe;
            padding: 18px 22px;
            border-radius: 16px;
            margin-bottom: 18px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0 12px 8px 0;
            font-weight: 500;
        }
        .copyright {
            font-size: 0.85rem;
            color: #4a5f74;
            text-align: center;
            padding: 12px 0 8px;
        }
        .feature-img {
            margin: 24px 0;
            border-radius: 16px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: #4a5f74;
            text-align: center;
            margin-top: 6px;
            font-style: italic;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            background: #f8faff;
            padding: 12px 18px;
            border-radius: 12px;
            margin: 16px 0;
            font-size: 0.92rem;
        }
        .link-list-inline a {
            font-weight: 500;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 16px 14px;
            }
            h1 {
                font-size: 1.7rem;
                padding-left: 12px;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            header {
                padding: 10px 0;
            }
            .hamburger {
                display: block;
            }
            nav#main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 4px;
                padding: 12px 0 6px;
            }
            nav#main-nav ul.show {
                display: flex;
            }
            nav#main-nav ul li a {
                display: block;
                padding: 10px 8px;
                border-bottom: 1px solid #eef3f9;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
            .rating-area {
                flex-direction: column;
                align-items: flex-start;
            }
            .stars {
                font-size: 1.6rem;
            }
            .search-form {
                max-width: 100%;
                flex-wrap: wrap;
            }
            .search-form input {
                min-width: 140px;
            }
            .link-list-inline {
                flex-direction: column;
                gap: 8px;
            }
            friend-link a {
                display: block;
                margin: 4px 0;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 12px 10px;
            }
            h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .stars {
                font-size: 1.4rem;
            }
        }
        .author-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #f0f5fe;
            padding: 10px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            margin: 12px 0 18px;
            width: fit-content;
        }
        .author-badge i {
            color: #004d99;
            font-size: 1.3rem;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #4a6a84;
            background: #eef4fa;
            display: inline-block;
            padding: 2px 16px;
            border-radius: 30px;
            margin: 6px 0 12px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
            background: #fafcff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }
        .data-table th {
            background: #0b1e33;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #e2eaf2;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f0f7ff;
        }
        .highlight-box {
            background: #fef7e8;
            border-left: 6px solid #f4c430;
            padding: 14px 22px;
            border-radius: 0 12px 12px 0;
            margin: 18px 0;
        }
        .emoji-lg {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        hr {
            border: none;
            border-top: 2px dashed #dce5ef;
            margin: 28px 0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media (max-width: 640px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        .btn-back {
            display: inline-block;
            background: #eef3f9;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #1e3a5f;
            margin: 4px 0;
        }
        .btn-back:hover {
            background: #dce5ef;
            text-decoration: none;
        }