* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #0f3460;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e94560;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f3460, #16213e);
            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: 2rem;
            font-weight: 900;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(45deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #ffd200;
            margin-right: 6px;
        }
        .nav-menu {
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e0e0e0;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.25s;
        }
        .nav-menu a:hover {
            color: #ffd200;
            border-bottom-color: #ffd200;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px 10px;
            transition: 0.2s;
        }
        .hamburger:hover {
            color: #ffd200;
        }
        .breadcrumb {
            background: #eef1f7;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce1ec;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #888;
        }
        .breadcrumb a {
            color: #0f3460;
        }
        .breadcrumb .current {
            color: #e94560;
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            color: #0f3460;
            margin-bottom: 16px;
            line-height: 1.2;
            border-left: 6px solid #e94560;
            padding-left: 20px;
        }
        .article-body h2 {
            font-size: 1.9rem;
            color: #16213e;
            margin-top: 48px;
            margin-bottom: 16px;
            border-bottom: 3px solid #ffd200;
            padding-bottom: 8px;
        }
        .article-body h3 {
            font-size: 1.4rem;
            color: #0f3460;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-body h4 {
            font-size: 1.15rem;
            color: #1a1a2e;
            margin-top: 24px;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #2d2d44;
        }
        .article-body strong {
            color: #0f3460;
        }
        .article-body .highlight-box {
            background: #eef4ff;
            border-left: 6px solid #e94560;
            padding: 20px 24px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .article-body .highlight-box p {
            margin-bottom: 0;
        }
        .featured-image {
            margin: 28px 0 32px;
            border-radius: 14px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 28px 22px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #0f3460;
            margin-bottom: 18px;
            border-bottom: 2px solid #ffd200;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar li {
            margin-bottom: 12px;
        }
        .sidebar li a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #1a1a2e;
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 1px solid #eee;
            transition: 0.2s;
        }
        .sidebar li a:hover {
            color: #e94560;
            padding-left: 6px;
            text-decoration: none;
        }
        .sidebar li i {
            width: 20px;
            color: #f7971e;
        }
        .search-box {
            background: #fff;
            border-radius: 40px;
            display: flex;
            overflow: hidden;
            border: 2px solid #ddd;
            transition: 0.3s;
            margin-bottom: 28px;
        }
        .search-box:focus-within {
            border-color: #0f3460;
            box-shadow: 0 0 0 4px rgba(15, 52, 96, 0.1);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-box button {
            background: #0f3460;
            color: #fff;
            border: none;
            padding: 0 24px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: 0.25s;
        }
        .search-box button:hover {
            background: #e94560;
        }
        .interaction-area {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px dashed #ccc;
        }
        .interaction-area h2 {
            font-size: 1.8rem;
            color: #0f3460;
            margin-bottom: 20px;
        }
        .comment-form,
        .rating-form {
            background: #fff;
            padding: 28px 30px;
            border-radius: 16px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            margin-bottom: 32px;
            max-width: 700px;
        }
        .comment-form label,
        .rating-form label {
            font-weight: 600;
            display: block;
            margin-bottom: 6px;
            color: #0f3460;
        }
        .comment-form input,
        .comment-form textarea,
        .rating-form input,
        .rating-form select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: 0.25s;
            margin-bottom: 16px;
            font-family: inherit;
            background: #fafcff;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .rating-form input:focus,
        .rating-form select:focus {
            border-color: #0f3460;
            outline: none;
            box-shadow: 0 0 0 4px rgba(15, 52, 96, 0.08);
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn-submit {
            background: #0f3460;
            color: #fff;
            border: none;
            padding: 14px 40px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-submit:hover {
            background: #e94560;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.35);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #f7971e;
            margin-bottom: 16px;
            cursor: pointer;
        }
        .rating-stars i {
            transition: 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            transform: scale(1.2);
            color: #ffd200;
        }
        .site-footer {
            background: #0f3460;
            color: #dce1ec;
            padding: 48px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .site-footer h4 {
            color: #ffd200;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .site-footer a {
            color: #b0c4de;
        }
        .site-footer a:hover {
            color: #ffd200;
            text-decoration: none;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links li a {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom {
            border-top: 1px solid #2a4a7f;
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom .copyright {
            color: #a0b8d0;
        }
        friend-link {
            display: block;
            background: #16213e;
            padding: 16px 20px;
            border-radius: 10px;
            margin: 12px 0;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #ffd200;
            margin: 0 10px;
        }
        friend-link a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 12px;
                padding: 18px 0 10px;
                border-top: 1px solid #2a4a7f;
                margin-top: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                font-size: 1.05rem;
                padding: 8px 0;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .article-body h1 {
                font-size: 1.9rem;
                padding-left: 14px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                position: static;
                margin-top: 32px;
            }
            .content-grid {
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .article-body h1 {
                font-size: 1.6rem;
            }
            .comment-form,
            .rating-form {
                padding: 18px 16px;
            }
            .btn-submit {
                width: 100%;
                justify-content: center;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #e94560;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.4);
            transition: 0.3s;
            cursor: pointer;
            border: none;
            z-index: 999;
        }
        .scroll-top:hover {
            background: #0f3460;
            transform: translateY(-4px);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .data-table th {
            background: #0f3460;
            color: #fff;
            padding: 14px 18px;
            text-align: left;
            font-weight: 700;
        }
        .data-table td {
            padding: 12px 18px;
            border-bottom: 1px solid #eee;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f0f4ff;
        }
        .last-updated {
            display: inline-block;
            background: #eef1f7;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #555;
            margin-bottom: 24px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #e94560;
        }