* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #f5f7fa;
            color: #1a1e2b;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #004d99;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #cc3300;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }
        header {
            background: linear-gradient(135deg, #0b1a2e, #1a3a5c);
            color: #fff;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #ffcc00;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffe44d;
            text-decoration: none;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 4px 8px;
        }
        nav {
            display: flex;
            gap: 8px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e0e9f5;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        nav a:hover {
            color: #ffcc00;
            border-bottom-color: #ffcc00;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d7de;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #6b7a8f;
        }
        .breadcrumb a {
            color: #2c5282;
        }
        .breadcrumb .current {
            color: #6b7a8f;
        }
        main {
            padding: 28px 0 40px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 32px;
        }
        .article-body h1 {
            font-size: 2.2rem;
            color: #0b1a2e;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .article-body h1 .highlight {
            color: #cc3300;
        }
        .article-body .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.9rem;
            color: #4a5568;
            margin-bottom: 20px;
            border-bottom: 1px solid #dce2ea;
            padding-bottom: 14px;
        }
        .article-body .meta i {
            margin-right: 6px;
            color: #cc3300;
        }
        .article-body h2 {
            font-size: 1.7rem;
            color: #0b1a2e;
            margin-top: 36px;
            margin-bottom: 12px;
            border-left: 5px solid #cc3300;
            padding-left: 14px;
        }
        .article-body h3 {
            font-size: 1.3rem;
            color: #1a3a5c;
            margin-top: 26px;
            margin-bottom: 8px;
        }
        .article-body h4 {
            font-size: 1.1rem;
            color: #2d4a6e;
            margin-top: 18px;
            margin-bottom: 6px;
        }
        .article-body p {
            margin-bottom: 16px;
            text-align: justify;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 18px 28px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body .feature-box {
            background: #edf2f9;
            padding: 18px 22px;
            border-radius: 10px;
            margin: 20px 0;
            border-left: 5px solid #004d99;
        }
        .article-body .feature-box i {
            color: #004d99;
            margin-right: 8px;
        }
        .article-body .img-wrapper {
            margin: 24px 0;
            background: #e9edf2;
            border-radius: 10px;
            overflow: hidden;
        }
        .article-body .img-wrapper img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .article-body .img-wrapper figcaption {
            padding: 10px 16px;
            font-size: 0.9rem;
            color: #4a5568;
            background: #f0f3f7;
            font-style: italic;
        }
        .article-body .interview-block {
            background: #f9f6f0;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 24px 0;
            border: 1px solid #e2d9cc;
        }
        .article-body .interview-block strong {
            color: #8b4513;
        }
        .article-body .stat-highlight {
            display: inline-block;
            background: #ffcc00;
            color: #0b1a2e;
            padding: 2px 12px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.95rem;
        }
        .btn-download {
            display: inline-block;
            background: #cc3300;
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: 0.3s;
            margin: 12px 0;
            border: none;
            cursor: pointer;
        }
        .btn-download:hover {
            background: #a32a00;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(204, 51, 0, 0.3);
            text-decoration: none;
            color: #fff;
        }
        .sidebar {
            background: #fff;
            border-radius: 12px;
            padding: 22px 18px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            color: #0b1a2e;
            border-bottom: 2px solid #ffcc00;
            padding-bottom: 8px;
            margin-bottom: 16px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            border-bottom: 1px solid #f0f3f7;
        }
        .sidebar a i {
            color: #cc3300;
            width: 20px;
        }
        .search-section {
            background: #fff;
            padding: 24px 20px;
            border-radius: 12px;
            margin: 28px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .search-section h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }
        .search-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid #d0d7de;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
        }
        .search-form input:focus {
            border-color: #004d99;
        }
        .search-form button {
            background: #004d99;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: #003366;
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 28px 0;
        }
        .comment-box,
        .rating-box {
            background: #fff;
            padding: 22px 20px;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .comment-box h3,
        .rating-box h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            border: 2px solid #d0d7de;
            border-radius: 8px;
            font-size: 1rem;
            min-height: 90px;
            resize: vertical;
            outline: none;
            font-family: inherit;
        }
        .comment-form textarea:focus {
            border-color: #004d99;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid #d0d7de;
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
            margin-top: 8px;
        }
        .comment-form input[type="text"]:focus {
            border-color: #004d99;
        }
        .comment-form button {
            background: #cc3300;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 12px;
            transition: 0.2s;
        }
        .comment-form button:hover {
            background: #a32a00;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d0d7de;
            cursor: pointer;
            margin: 10px 0 14px;
        }
        .rating-stars i {
            transition: 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #ffcc00;
        }
        .rating-box .score-btn {
            background: #004d99;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .rating-box .score-btn:hover {
            background: #003366;
        }
        footer {
            background: #0b1a2e;
            color: #c8d6e5;
            padding: 32px 0 20px;
            margin-top: 40px;
        }
        footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 28px;
        }
        footer h4 {
            color: #ffcc00;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #a3b8d0;
        }
        footer a:hover {
            color: #ffcc00;
        }
        friend-link {
            display: block;
            margin: 12px 0 8px;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
            margin-bottom: 6px;
            padding: 4px 0;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid #1e3650;
            padding-top: 18px;
            margin-top: 18px;
            font-size: 0.9rem;
            color: #7a8fa8;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 28px;
            }
            footer .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0b1a2e;
                padding: 12px 0 16px;
                margin-top: 10px;
                border-top: 1px solid #1e3650;
            }
            .nav-toggle:checked~nav {
                display: flex;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .article-body h1 {
                font-size: 1.6rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            footer .footer-inner {
                grid-template-columns: 1fr;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .search-form input {
                min-width: 140px;
            }
            .article-body ul,
            .article-body ol {
                margin-left: 16px;
            }
        }