* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6b00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(145deg, #0b1a2f, #132d4a);
            color: #fff;
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 2px;
            background: linear-gradient(120deg, #f5d76e, #ff9f43);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(255, 159, 67, 0.3);
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f5d76e;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.8rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #ff9f43;
            color: #ff9f43;
        }
        nav {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e8edf3;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.25s;
        }
        nav a:hover {
            color: #ff9f43;
            border-bottom-color: #ff9f43;
            text-decoration: none;
        }
        .breadcrumb {
            background: #e9edf3;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d8e3;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb a:hover {
            color: #0057b3;
        }
        .breadcrumb span {
            color: #6b7a8f;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-body {
            background: #fff;
            border-radius: 20px;
            padding: 40px 45px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .article-body h1 {
            font-size: 2.5rem;
            line-height: 1.2;
            margin-bottom: 12px;
            color: #0b1a2f;
        }
        .article-body h1 i {
            color: #ff9f43;
            margin-right: 10px;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: #5a6b7c;
            border-bottom: 1px solid #e5eaef;
            padding-bottom: 18px;
            margin-bottom: 28px;
        }
        .meta-info i {
            margin-right: 6px;
            color: #ff9f43;
        }
        .last-updated {
            font-weight: 600;
            color: #1e2a3a;
        }
        .featured-image {
            margin: 28px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f0f3f7;
            padding: 10px 18px;
            font-size: 0.85rem;
            color: #3a4a5c;
        }
        .article-body h2 {
            font-size: 1.9rem;
            margin: 48px 0 18px;
            color: #0f2a44;
            border-left: 5px solid #ff9f43;
            padding-left: 18px;
        }
        .article-body h3 {
            font-size: 1.5rem;
            margin: 36px 0 14px;
            color: #1e3a5a;
        }
        .article-body h4 {
            font-size: 1.2rem;
            margin: 24px 0 10px;
            color: #2c4a6a;
        }
        .article-body p {
            margin-bottom: 20px;
            font-size: 1.05rem;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 24px 28px;
        }
        .article-body li {
            margin-bottom: 10px;
            font-size: 1.02rem;
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 6px solid #0057b3;
            padding: 22px 28px;
            border-radius: 12px;
            margin: 30px 0;
        }
        .highlight-box strong {
            color: #003f7f;
        }
        .tip-box {
            background: #fef9e7;
            border-left: 6px solid #f39c12;
            padding: 22px 28px;
            border-radius: 12px;
            margin: 30px 0;
        }
        .tip-box strong {
            color: #b8730a;
        }
        .data-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            background: #f8fafc;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 28px 0;
            border: 1px solid #dfe6ef;
        }
        .data-card .stat {
            text-align: center;
            padding: 12px 8px;
        }
        .data-card .stat .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0057b3;
        }
        .data-card .stat .label {
            font-size: 0.9rem;
            color: #4a5a6a;
        }
        .interview-block {
            background: #f2eefb;
            border-radius: 16px;
            padding: 28px 32px;
            margin: 32px 0;
            border: 1px solid #d5cce8;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.1rem;
            border-left: 4px solid #8e6cc7;
            padding-left: 20px;
            margin: 14px 0;
        }
        .interview-block .author {
            font-weight: 700;
            color: #3a1f6e;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 22px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            color: #0b1a2f;
            border-bottom: 2px solid #f0f2f5;
            padding-bottom: 10px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
            border-bottom: 1px solid #f0f2f5;
            padding-bottom: 10px;
        }
        .sidebar-card li a {
            font-weight: 500;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 18px 0 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #d0d8e3;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: 0.25s;
        }
        .search-form input:focus {
            border-color: #0057b3;
            box-shadow: 0 0 0 3px rgba(0, 87, 179, 0.15);
        }
        .search-form button {
            background: #0057b3;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0 24px;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #003f80;
            transform: scale(1.02);
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 20px;
            padding: 36px 40px;
            margin-top: 40px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .comment-section h2,
        .rating-section h2 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #0b1a2f;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #d0d8e3;
            border-radius: 12px;
            font-size: 1rem;
            margin-bottom: 14px;
            font-family: inherit;
            transition: 0.25s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #0057b3;
            box-shadow: 0 0 0 3px rgba(0, 87, 179, 0.1);
            outline: none;
        }
        .comment-form textarea {
            min-height: 110px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            background: linear-gradient(135deg, #0057b3, #0073e6);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 87, 179, 0.25);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2.2rem;
            color: #d0d8e3;
            cursor: pointer;
            margin-bottom: 18px;
            direction: rtl;
        }
        .rating-stars i {
            transition: 0.2s;
        }
        .rating-stars i.active,
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            color: #f5a623;
        }
        .rating-form .selected-rating {
            font-weight: 600;
            color: #1e2a3a;
            margin-bottom: 14px;
        }
        friend-link {
            display: block;
            background: #1e2a3a;
            color: #e8edf3;
            padding: 28px 0;
            margin-top: 20px;
            border-top: 4px solid #ff9f43;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 32px;
            justify-content: center;
        }
        friend-link a {
            color: #ffd78a;
            font-weight: 500;
            padding: 4px 8px;
            border-radius: 6px;
            transition: 0.25s;
        }
        friend-link a:hover {
            background: rgba(255, 215, 138, 0.15);
            color: #fff;
            text-decoration: none;
        }
        footer {
            background: #0f1a28;
            color: #9aabbf;
            padding: 32px 0 24px;
            text-align: center;
            font-size: 0.9rem;
        }
        footer .container {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        footer a {
            color: #ffd78a;
        }
        footer a:hover {
            color: #fff;
        }
        footer .copyright {
            color: #7a8b9e;
            font-size: 0.85rem;
        }
        .schema-hidden {
            display: none;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .article-body {
                padding: 28px 24px;
            }
            .comment-section,
            .rating-section {
                padding: 28px 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 6px;
                padding: 18px 0 6px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 12px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 16px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.05);
                border-bottom: none;
            }
            nav a:hover {
                background: rgba(255, 255, 255, 0.12);
                border-bottom: none;
            }
            .article-body h1 {
                font-size: 1.9rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.3rem;
            }
            .data-card {
                grid-template-columns: 1fr;
            }
            .header-inner {
                gap: 10px;
            }
            .my-logo {
                font-size: 1.7rem;
            }
            .breadcrumb .container {
                font-size: 0.8rem;
            }
            .rating-stars {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .article-body {
                padding: 20px 16px;
            }
            .comment-section,
            .rating-section {
                padding: 20px 16px;
            }
            .article-body h1 {
                font-size: 1.6rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                padding: 12px;
            }
            .highlight-box,
            .tip-box,
            .interview-block {
                padding: 16px 18px;
            }
            .data-card {
                padding: 16px 16px;
            }
            .meta-info {
                gap: 10px;
                font-size: 0.8rem;
            }
        }