*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #0b0e14;
            color: #e8eef2;
            line-height: 1.75;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #f0c27f;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #f7d89c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f5e7d3;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 3px solid #d4a24e;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #d4a24e;
            padding-left: 0.9rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #f0d5b0;
        }
        h4 {
            font-size: 1.1rem;
            color: #e2c8a8;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #141a24;
            border-bottom: 2px solid #2c3a4e;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f0c27f, #d4a24e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.5px;
            text-shadow: 0 0 30px rgba(212, 162, 78, 0.2);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #d4a24e;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #d4a24e;
            color: #f0c27f;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #1f2a38;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #cbd5e0;
            font-weight: 500;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #1f2a38;
            color: #f0c27f;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
        }
        .breadcrumb {
            background: #0f151f;
            padding: 0.6rem 0;
            border-bottom: 1px solid #1f2a38;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.4rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.5rem;
            color: #6b7a8f;
        }
        .breadcrumb a {
            color: #9aabbf;
        }
        .breadcrumb a:hover {
            color: #f0c27f;
        }
        .breadcrumb .current {
            color: #f0c27f;
            font-weight: 600;
        }
        .search-section {
            background: #141a24;
            padding: 1.6rem 0;
            border-bottom: 1px solid #1f2a38;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            gap: 0.5rem;
            border-radius: 50px;
            overflow: hidden;
            background: #1f2a38;
            border: 1px solid #2c3a4e;
            transition: border-color 0.3s;
        }
        .search-form:focus-within {
            border-color: #d4a24e;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.8rem 1.2rem;
            background: transparent;
            border: none;
            color: #e8eef2;
            font-size: 1rem;
            outline: none;
        }
        .search-form input[type="text"]::placeholder {
            color: #6b7a8f;
        }
        .search-form button {
            background: #d4a24e;
            border: none;
            padding: 0 1.4rem;
            color: #0b0e14;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: #e8b86a;
        }
        .hero-image-wrap {
            margin: 2rem 0 1.5rem;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
            position: relative;
            background: #1a2433;
        }
        .hero-image-wrap img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            display: block;
        }
        .hero-image-wrap .img-credit {
            position: absolute;
            bottom: 0.5rem;
            right: 1rem;
            background: rgba(0, 0, 0, 0.6);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            color: #ccc;
        }
        .content-area {
            padding: 2rem 0 3rem;
            flex: 1;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }
        @media(min-width:992px) {
            .content-grid {
                grid-template-columns: 2fr 1fr;
            }
        }
        .main-content {
            background: #111820;
            padding: 2rem 1.8rem;
            border-radius: 16px;
            border: 1px solid #1f2a38;
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
        }
        .sidebar {
            background: #111820;
            padding: 1.8rem 1.5rem;
            border-radius: 16px;
            border: 1px solid #1f2a38;
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
            align-self: start;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            border-bottom: 2px solid #d4a24e;
            padding-bottom: 0.5rem;
            margin-top: 0;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #1f2a38;
        }
        .sidebar ul li a {
            color: #cbd5e0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .sidebar ul li a:hover {
            color: #f0c27f;
        }
        .sidebar ul li a i {
            width: 1.2rem;
            color: #d4a24e;
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: #0f151f;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid #1f2a38;
        }
        .styled-table th,
        .styled-table td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1f2a38;
        }
        .styled-table th {
            background: #1f2a38;
            color: #f0c27f;
            font-weight: 700;
            text-transform: uppercase;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
        }
        .styled-table tr:hover td {
            background: #1a2433;
        }
        .feedback-section {
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 2px solid #1f2a38;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media(min-width:768px) {
            .feedback-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .comment-box,
        .rating-box {
            background: #0f151f;
            padding: 1.5rem;
            border-radius: 12px;
            border: 1px solid #1f2a38;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            border-bottom: 2px solid #d4a24e;
            padding-bottom: 0.5rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #d4dce6;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            background: #1a2433;
            border: 1px solid #2c3a4e;
            border-radius: 8px;
            color: #e8eef2;
            font-size: 0.95rem;
            transition: border-color 0.25s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #d4a24e;
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #d4a24e;
            color: #0b0e14;
            font-weight: 700;
            padding: 0.7rem 1.8rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #e8b86a;
            transform: translateY(-2px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #3a4a5e;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f0c27f;
        }
        .site-footer {
            background: #0c111a;
            border-top: 2px solid #1f2a38;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media(min-width:768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        .footer-col h4 {
            color: #f0c27f;
            margin-top: 0;
            border-bottom: 2px solid #2c3a4e;
            padding-bottom: 0.5rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            padding: 0.3rem 0;
        }
        .footer-col ul li a {
            color: #9aabbf;
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: #f0c27f;
        }
        .friend-link {
            display: block;
            padding: 0.6rem 0;
            color: #cbd5e0;
            font-weight: 500;
        }
        .friend-link:hover {
            color: #f0c27f;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1f2a38;
            margin-top: 1.5rem;
            color: #6b7a8f;
            font-size: 0.85rem;
        }
        .copyright strong {
            color: #9aabbf;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #141a24;
                padding: 1rem 0.5rem;
                border-radius: 0 0 12px 12px;
                border: 1px solid #1f2a38;
                border-top: none;
                gap: 0.3rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                width: 100%;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .main-content {
                padding: 1.2rem;
            }
            .sidebar {
                position: static;
            }
            .hero-image-wrap img {
                max-height: 220px;
            }
            .search-form {
                flex-direction: column;
                border-radius: 12px;
            }
            .search-form button {
                padding: 0.7rem;
                justify-content: center;
            }
        }
        @media(min-width:769px) {
            .main-nav {
                display: flex !important;
            }
        }
        .highlight {
            color: #f0c27f;
            font-weight: 600;
        }
        .tag {
            display: inline-block;
            background: #1f2a38;
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
            font-size: 0.8rem;
            color: #cbd5e0;
            margin-right: 0.3rem;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #9aabbf;
            font-size: 0.9rem;
            padding: 0.6rem 0 1.2rem;
            border-bottom: 1px solid #1f2a38;
            margin-bottom: 1.5rem;
        }
        .last-updated i {
            color: #d4a24e;
        }
        .pro-tip {
            background: #1a2433;
            border-left: 4px solid #d4a24e;
            padding: 1rem 1.4rem;
            border-radius: 0 10px 10px 0;
            margin: 1.5rem 0;
        }
        .pro-tip strong {
            color: #f0c27f;
        }
        .emoji-big {
            font-size: 1.3rem;
        }
        .glossary term {
            font-weight: 700;
            color: #f0c27f;
        }
        .glossary dd {
            margin-left: 1rem;
            margin-bottom: 0.8rem;
        }
        .btn-submit {
            background: #d4a24e;
            color: #0b0e14;
            font-weight: 700;
            padding: 0.7rem 1.8rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-submit:hover {
            background: #e8b86a;
            transform: translateY(-2px);
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0e14;
        }
        ::-webkit-scrollbar-thumb {
            background: #2c3a4e;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3f5068;
        }