* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #1e3c72;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #e94560;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0f1b2d 0%, #1e3c72 100%);
            color: #fff;
            padding: 16px 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: 1.9rem;
            font-weight: 800;
            color: #ffd700;
            letter-spacing: -0.5px;
            text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #ffe44d;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .my-logo i {
            margin-right: 8px;
            color: #e94560;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #fff;
            padding: 4px 10px;
            border-radius: 6px;
            transition: background 0.3s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e0e7f0;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 6px;
            transition: background 0.3s, color 0.3s;
            font-size: 0.95rem;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffd700;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 12px 0;
            font-size: 0.92rem;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: #888;
        }
        .breadcrumb a {
            color: #1e3c72;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(120deg, #1a2a3a, #0f1b2d);
            color: #fff;
            padding: 50px 0 40px;
            text-align: center;
            border-bottom: 4px solid #ffd700;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .hero h1 i {
            color: #ffd700;
            margin-right: 12px;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 20px;
            color: #cbd5e1;
        }
        .hero .update-badge {
            display: inline-block;
            background: #e94560;
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
        }
        .hero .update-badge i {
            margin-right: 8px;
        }
        .search-section {
            background: #fff;
            padding: 30px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #dce3ec;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #1e3c72;
        }
        .search-form button {
            background: #1e3c72;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #e94560;
            transform: translateY(-2px);
        }
        .main-content {
            padding: 50px 0 60px;
            background: #fafcff;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .content-body h2 {
            font-size: 2rem;
            color: #0f1b2d;
            margin: 40px 0 16px;
            border-left: 6px solid #e94560;
            padding-left: 18px;
        }
        .content-body h2 i {
            color: #e94560;
            margin-right: 10px;
        }
        .content-body h3 {
            font-size: 1.5rem;
            color: #1e3c72;
            margin: 32px 0 12px;
        }
        .content-body h3 i {
            margin-right: 8px;
            color: #ffa500;
        }
        .content-body h4 {
            font-size: 1.2rem;
            color: #2d4a7a;
            margin: 24px 0 8px;
            font-weight: 600;
        }
        .content-body p {
            margin-bottom: 18px;
            color: #2d3748;
        }
        .content-body ul,
        .content-body ol {
            margin: 12px 0 20px 28px;
            color: #2d3748;
        }
        .content-body li {
            margin-bottom: 8px;
        }
        .content-body .highlight {
            background: #fff8e1;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
        }
        .content-body .insight-box {
            background: #eef6ff;
            border-left: 6px solid #1e3c72;
            padding: 20px 24px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .content-body .insight-box i {
            color: #1e3c72;
            margin-right: 8px;
        }
        .featured-image-wrapper {
            margin: 30px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image-wrapper img {
            width: 100%;
            max-height: 450px;
            object-fit: cover;
        }
        .featured-image-wrapper figcaption {
            background: #f1f5f9;
            padding: 10px 18px;
            font-size: 0.9rem;
            color: #475569;
            text-align: center;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin-bottom: 24px;
            border: 1px solid #e9edf4;
        }
        .sidebar-card h3 {
            font-size: 1.3rem;
            color: #0f1b2d;
            margin-bottom: 16px;
            border-bottom: 2px solid #ffd700;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f3f8;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card a i {
            color: #e94560;
            width: 18px;
        }
        .interaction-section {
            background: #f0f4fe;
            padding: 50px 0;
            border-top: 1px solid #dce3ec;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .rating-box,
        .comment-box {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9edf4;
        }
        .rating-box h3,
        .comment-box h3 {
            font-size: 1.4rem;
            color: #0f1b2d;
            margin-bottom: 16px;
        }
        .rating-box h3 i,
        .comment-box h3 i {
            color: #ffd700;
            margin-right: 8px;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 12px 0 18px;
            flex-wrap: wrap;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #ffc107;
            transform: scale(1.15);
        }
        .rating-form input,
        .rating-form textarea,
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce3ec;
            border-radius: 8px;
            font-size: 0.95rem;
            margin-bottom: 14px;
            outline: none;
            transition: border 0.3s;
            font-family: inherit;
        }
        .rating-form input:focus,
        .rating-form textarea:focus,
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #1e3c72;
        }
        .rating-form textarea,
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn-submit {
            background: #1e3c72;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-submit:hover {
            background: #e94560;
            transform: translateY(-2px);
        }
        footer {
            background: #0f1b2d;
            color: #cbd5e1;
            padding: 40px 0 20px;
            border-top: 4px solid #ffd700;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-brand h3 {
            font-size: 1.6rem;
            color: #ffd700;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.95rem;
            max-width: 360px;
        }
        .footer-links h4,
        .footer-friend h4 {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1.1rem;
        }
        .footer-links ul,
        .footer-friend ul {
            list-style: none;
            padding: 0;
        }
        .footer-links li,
        .footer-friend li {
            margin-bottom: 8px;
        }
        .footer-links a,
        .footer-friend a {
            color: #b0c4de;
            font-size: 0.92rem;
        }
        .footer-links a:hover,
        .footer-friend a:hover {
            color: #ffd700;
        }
        .footer-bottom {
            border-top: 1px solid #2a3a5a;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
        }
        .footer-bottom .copyright {
            color: #8a9bb5;
        }
        .footer-bottom .copyright i {
            color: #e94560;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 10px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                padding: 10px 16px;
                border-radius: 6px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .search-form input {
                min-width: 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .content-body h2 {
                font-size: 1.5rem;
            }
            .content-body h3 {
                font-size: 1.2rem;
            }
            .rating-box,
            .comment-box {
                padding: 18px;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .author-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #eef2f7;
            padding: 12px 20px;
            border-radius: 50px;
            margin: 20px 0;
            font-size: 0.92rem;
        }
        .author-badge i {
            font-size: 1.8rem;
            color: #1e3c72;
        }