* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #1e5a8a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #c0392b;
            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, #0f1a2e 0%, #1a2a4a 100%);
            padding: 16px 0;
            border-bottom: 4px solid #f1c40f;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            color: #f1c40f;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 0 #0a0a1a;
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            font-size: 32px;
            color: #e74c3c;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffd700;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            font-size: 14px;
            color: #aac4e0;
            letter-spacing: 0;
            display: block;
            text-transform: none;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            color: #e0e8f0;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: rgba(241, 196, 15, 0.15);
            color: #f1c40f;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #f1c40f;
            color: #0f1a2e;
        }
        .hamburger {
            display: none;
            font-size: 28px;
            color: #f1c40f;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 12px 0;
            font-size: 14px;
            color: #555;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb a {
            color: #1e5a8a;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #999;
        }
        .main-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-wrap {
                grid-template-columns: 1fr;
            }
        }
        .content-area h1 {
            font-size: 36px;
            line-height: 1.2;
            color: #0f1a2e;
            margin-bottom: 10px;
            border-left: 6px solid #f1c40f;
            padding-left: 20px;
        }
        .content-area .meta {
            color: #777;
            font-size: 14px;
            margin-bottom: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
        }
        .content-area .meta i {
            margin-right: 6px;
            color: #f1c40f;
        }
        .content-area h2 {
            font-size: 28px;
            color: #0f1a2e;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f1c40f;
        }
        .content-area h3 {
            font-size: 22px;
            color: #1a2a4a;
            margin: 32px 0 12px;
        }
        .content-area h4 {
            font-size: 18px;
            color: #2c3e50;
            margin: 24px 0 8px;
            font-weight: 600;
        }
        .content-area p {
            margin-bottom: 18px;
            color: #2c3e50;
        }
        .content-area ul,
        .content-area ol {
            margin: 12px 0 20px 24px;
            color: #2c3e50;
        }
        .content-area li {
            margin-bottom: 8px;
        }
        .content-area .highlight-box {
            background: #eef5ff;
            border-left: 5px solid #1e5a8a;
            padding: 20px 24px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .content-area .highlight-box strong {
            color: #0f1a2e;
        }
        .content-area .emoji-big {
            font-size: 24px;
            margin-right: 6px;
        }
        .featured-image {
            margin: 30px 0;
            border-radius: 14px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            text-align: center;
            font-size: 14px;
            color: #777;
            margin-top: 8px;
            font-style: italic;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 30px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .table-wrap th {
            background: #0f1a2e;
            color: #f1c40f;
            padding: 14px 18px;
            font-weight: 600;
            text-align: left;
        }
        .table-wrap td {
            padding: 12px 18px;
            border-bottom: 1px solid #eef2f7;
        }
        .table-wrap tr:last-child td {
            border-bottom: none;
        }
        .table-wrap tr:hover td {
            background: #f8faff;
        }
        .sidebar {
            background: #ffffff;
            border-radius: 16px;
            padding: 28px 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 20px;
            color: #0f1a2e;
            border-bottom: 2px solid #f1c40f;
            padding-bottom: 10px;
            margin-bottom: 18px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            margin-bottom: 12px;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 8px;
            background: #f8faff;
            transition: background 0.2s, transform 0.2s;
            font-size: 15px;
        }
        .sidebar ul li a:hover {
            background: #eef5ff;
            transform: translateX(4px);
            text-decoration: none;
        }
        .sidebar ul li a i {
            color: #f1c40f;
            width: 20px;
            text-align: center;
        }
        .search-box {
            display: flex;
            margin-bottom: 28px;
            border: 2px solid #dce3ec;
            border-radius: 50px;
            overflow: hidden;
            transition: border-color 0.2s;
            background: #fff;
        }
        .search-box:focus-within {
            border-color: #f1c40f;
        }
        .search-box input {
            flex: 1;
            padding: 12px 20px;
            border: none;
            outline: none;
            font-size: 16px;
            background: transparent;
        }
        .search-box button {
            background: #f1c40f;
            border: none;
            padding: 12px 24px;
            font-size: 16px;
            cursor: pointer;
            color: #0f1a2e;
            font-weight: 600;
            transition: background 0.2s;
        }
        .search-box button:hover {
            background: #e0b50e;
        }
        .comment-section,
        .rating-section {
            background: #ffffff;
            border-radius: 16px;
            padding: 28px 32px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            margin-top: 40px;
        }
        .comment-section h2,
        .rating-section h2 {
            font-size: 24px;
            color: #0f1a2e;
            border-bottom: 3px solid #f1c40f;
            padding-bottom: 10px;
            margin-bottom: 24px;
        }
        .comment-section form,
        .rating-section form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .comment-section input,
        .comment-section textarea,
        .rating-section input,
        .rating-section textarea,
        .rating-section select {
            padding: 14px 18px;
            border: 2px solid #dce3ec;
            border-radius: 10px;
            font-size: 16px;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafcff;
        }
        .comment-section input:focus,
        .comment-section textarea:focus,
        .rating-section input:focus,
        .rating-section textarea:focus,
        .rating-section select:focus {
            border-color: #f1c40f;
            outline: none;
            background: #fff;
        }
        .comment-section textarea,
        .rating-section textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-section .btn,
        .rating-section .btn {
            background: #0f1a2e;
            color: #f1c40f;
            padding: 14px 32px;
            border: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
            align-self: flex-start;
        }
        .comment-section .btn:hover,
        .rating-section .btn:hover {
            background: #1a2a4a;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 30px;
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars i.active {
            color: #f1c40f;
        }
        .site-footer {
            background: #0f1a2e;
            color: #c8d4e4;
            padding: 48px 0 32px;
            margin-top: 60px;
            border-top: 4px solid #f1c40f;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        .footer-inner h4 {
            color: #f1c40f;
            font-size: 18px;
            margin-bottom: 16px;
        }
        .footer-inner a {
            color: #aac4e0;
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
        }
        .footer-inner a:hover {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            margin: 16px 0;
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        friend-link a {
            display: inline-block;
            margin-right: 24px;
            color: #aac4e0;
        }
        friend-link a:hover {
            color: #f1c40f;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 14px;
            color: #8899b0;
            margin-top: 16px;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 22px;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 2px;
                padding-top: 16px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 0;
            }
            .hamburger {
                display: block;
            }
            .content-area h1 {
                font-size: 28px;
                padding-left: 14px;
            }
            .content-area h2 {
                font-size: 24px;
            }
            .content-area h3 {
                font-size: 20px;
            }
            .sidebar {
                position: static;
                margin-top: 32px;
            }
            .comment-section,
            .rating-section {
                padding: 20px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .content-area h1 {
                font-size: 24px;
            }
            .breadcrumb {
                font-size: 12px;
            }
        }
        .text-muted {
            color: #888;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .gap-8 {
            gap: 8px;
        }
        .fw-700 {
            font-weight: 700;
        }
        .color-gold {
            color: #f1c40f;
        }