* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #faf8f5;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #b45f2b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7a3e1a;
            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, #1e2a3a 0%, #2c3e50 100%);
            color: #fff;
            padding: 18px 0;
            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;
            gap: 12px;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 2px;
            background: linear-gradient(135deg, #f5a623, #e8891a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(245, 166, 35, 0.2);
            font-family: 'Georgia', serif;
        }
        .my-logo:hover {
            text-decoration: none;
            -webkit-text-fill-color: #f5a623;
        }
        .my-logo small {
            font-size: 14px;
            -webkit-text-fill-color: #ccc;
            font-weight: 300;
            letter-spacing: 0;
        }
        .hamburger {
            display: none;
            font-size: 28px;
            cursor: pointer;
            color: #f5a623;
            background: none;
            border: none;
            padding: 4px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(245, 166, 35, 0.15);
        }
        .main-nav {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e8e0d8;
            font-weight: 500;
            font-size: 15px;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .main-nav a:hover {
            color: #f5a623;
            border-bottom-color: #f5a623;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #fff8f0;
            padding: 12px 0;
            border-bottom: 1px solid #e8ddd0;
            font-size: 14px;
        }
        .breadcrumb a {
            color: #7a6a5a;
        }
        .breadcrumb a:hover {
            color: #b45f2b;
        }
        .breadcrumb span {
            color: #a09080;
            margin: 0 6px;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #f5ede4 0%, #e8ddd0 100%);
            padding: 50px 0 40px;
            text-align: center;
            border-bottom: 3px solid #f5a623;
        }
        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #1e2a3a;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .hero h1 i {
            color: #f5a623;
        }
        .hero p {
            font-size: 18px;
            color: #4a3a2a;
            max-width: 780px;
            margin: 0 auto 20px;
        }
        .hero .meta {
            font-size: 14px;
            color: #7a6a5a;
        }
        .hero .meta i {
            margin-right: 4px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media(max-width:900px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-content h2 {
            font-size: 30px;
            margin: 48px 0 20px;
            color: #1e2a3a;
            border-left: 6px solid #f5a623;
            padding-left: 18px;
        }
        .main-content h3 {
            font-size: 24px;
            margin: 36px 0 16px;
            color: #2c3e50;
        }
        .main-content h4 {
            font-size: 20px;
            margin: 28px 0 12px;
            color: #3a4a5a;
        }
        .main-content p {
            margin-bottom: 20px;
            color: #2a3a4a;
            font-size: 16.5px;
        }
        .main-content ul,
        .main-content ol {
            margin: 16px 0 24px 24px;
        }
        .main-content li {
            margin-bottom: 10px;
            font-size: 16.5px;
        }
        .highlight-box {
            background: #fff8f0;
            border-left: 5px solid #f5a623;
            padding: 24px 28px;
            border-radius: 10px;
            margin: 28px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .feature-img {
            margin: 32px 0;
            border-radius: 14px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .sidebar {
            background: #fff8f0;
            border-radius: 16px;
            padding: 28px 24px;
            border: 1px solid #e8ddd0;
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar h3 {
            font-size: 20px;
            margin-bottom: 18px;
            color: #1e2a3a;
            border-bottom: 2px solid #f5a623;
            padding-bottom: 10px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar li {
            margin-bottom: 12px;
        }
        .sidebar a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 8px;
            background: #fff;
            transition: 0.2s;
            border: 1px solid #ede6dc;
        }
        .sidebar a:hover {
            background: #f5a623;
            color: #fff;
            text-decoration: none;
            border-color: #f5a623;
        }
        .sidebar a i {
            width: 20px;
            text-align: center;
        }
        .search-section {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            margin: 32px 0;
            border: 1px solid #e8ddd0;
        }
        .search-section h3 {
            font-size: 22px;
            margin-bottom: 16px;
            color: #1e2a3a;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #ddd6cc;
            border-radius: 10px;
            font-size: 16px;
            outline: none;
            transition: 0.3s;
        }
        .search-form input:focus {
            border-color: #f5a623;
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
        }
        .search-form button {
            padding: 14px 32px;
            background: #f5a623;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
        }
        .search-form button:hover {
            background: #e8891a;
            transform: translateY(-1px);
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        @media(max-width:700px) {
            .feedback-section {
                grid-template-columns: 1fr;
            }
        }
        .comment-box,
        .rating-box {
            background: #fff;
            border-radius: 14px;
            padding: 28px 24px;
            border: 1px solid #e8ddd0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .comment-box h3,
        .rating-box h3 {
            font-size: 20px;
            margin-bottom: 18px;
            color: #1e2a3a;
        }
        .comment-box textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #ddd6cc;
            border-radius: 10px;
            font-size: 15px;
            font-family: inherit;
            resize: vertical;
            min-height: 110px;
            outline: none;
            transition: 0.3s;
        }
        .comment-box textarea:focus {
            border-color: #f5a623;
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.1);
        }
        .comment-box input,
        .rating-box input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #ddd6cc;
            border-radius: 10px;
            font-size: 15px;
            outline: none;
            transition: 0.3s;
            margin-bottom: 12px;
        }
        .comment-box input:focus,
        .rating-box input:focus {
            border-color: #f5a623;
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.1);
        }
        .comment-box button,
        .rating-box button {
            padding: 12px 30px;
            background: #1e2a3a;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
            margin-top: 6px;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #2c3e50;
            transform: translateY(-1px);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 32px;
            color: #ddd6cc;
            margin: 10px 0 16px;
            cursor: pointer;
        }
        .star-rating i {
            transition: 0.2s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f5a623;
        }
        footer {
            background: #1e2a3a;
            color: #c8c0b8;
            padding: 40px 0 30px;
            margin-top: 50px;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }
        @media(max-width:700px) {
            footer .container {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            color: #f5a623;
            font-size: 18px;
            margin-bottom: 16px;
        }
        footer a {
            color: #c8c0b8;
        }
        footer a:hover {
            color: #f5a623;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            margin-top: 6px;
        }
        .friend-link a {
            padding: 4px 0;
            border-bottom: 1px solid transparent;
        }
        .friend-link a:hover {
            border-bottom-color: #f5a623;
            text-decoration: none;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #3a4a5a;
            padding-top: 24px;
            margin-top: 20px;
            text-align: center;
            font-size: 14px;
            color: #9a8a7a;
        }
        .copyright strong {
            color: #e8ddd0;
        }
        @media(max-width:768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 6px;
                padding: 16px 0 8px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 16px;
            }
            .main-content h2 {
                font-size: 24px;
            }
            .main-content h3 {
                font-size: 20px;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 14px;
            }
            .hero {
                padding: 30px 0 24px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .sidebar {
                padding: 18px 16px;
            }
            .search-form input,
            .search-form button {
                width: 100%;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .author-bio {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff8f0;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 36px 0 20px;
            border: 1px solid #e8ddd0;
        }
        .author-bio .avatar {
            font-size: 48px;
            color: #f5a623;
        }
        .author-bio h4 {
            margin: 0 0 4px;
            font-size: 18px;
        }
        .author-bio p {
            margin: 0;
            font-size: 14px;
            color: #5a4a3a;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        th,
        td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #ede6dc;
        }
        th {
            background: #1e2a3a;
            color: #f5a623;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #fdf9f4;
        }
        .btn-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #f5a623;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: 0 4px 16px rgba(245, 166, 35, 0.3);
            transition: 0.3s;
            border: none;
            cursor: pointer;
            z-index: 999;
        }
        .btn-top:hover {
            background: #e8891a;
            transform: translateY(-3px);
        }