*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #0b0b0b;
            color: #e0e0e0;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #f5c518;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ffdd66;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f0f0f0;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.6rem;
            border-left: 6px solid #f5c518;
            padding-left: 1rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 2.0rem;
            border-bottom: 2px solid #2a2a2a;
            padding-bottom: 0.5rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #f5c518;
        }
        h4 {
            font-size: 1.2rem;
            color: #cccccc;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #d5d5d5;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #111;
            padding: 1.2rem 0;
            border-bottom: 3px solid #f5c518;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(6px);
            background-color: rgba(17, 17, 17, 0.94);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: #f5c518;
            text-shadow: 0 0 12px rgba(245, 197, 24, 0.3);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #ffdd66;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        nav a {
            color: #ccc;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }
        nav a:hover {
            background: #f5c518;
            color: #0b0b0b;
            border-color: #f5c518;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 2px solid #f5c518;
            color: #f5c518;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: #f5c518;
            color: #0b0b0b;
        }
        .nav-list {
            display: flex;
            gap: 0.4rem;
            flex-wrap: wrap;
            list-style: none;
        }
        .nav-list li a {
            display: inline-block;
        }
        .breadcrumb {
            background: #1a1a1a;
            padding: 0.7rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #2a2a2a;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #f5c518;
            margin-right: 0.6rem;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #f5c518;
        }
        .breadcrumb .active {
            color: #f5c518;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0b0b0b 0%, #1c1c1c 100%);
            padding: 2.8rem 0 2rem;
            text-align: center;
            border-bottom: 2px solid #2a2a2a;
        }
        .hero h1 {
            border-left: none;
            padding-left: 0;
            font-size: 3rem;
            letter-spacing: 1px;
        }
        .hero p {
            max-width: 760px;
            margin: 0.8rem auto 0;
            font-size: 1.2rem;
            color: #bbb;
        }
        .hero .last-updated {
            display: inline-block;
            margin-top: 1rem;
            background: #222;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #aaa;
            border: 1px solid #333;
        }
        .content-area {
            padding: 2.8rem 0 4rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 3rem;
        }
        @media (max-width: 920px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .main-article p {
            text-align: justify;
        }
        .main-article ul,
        .main-article ol {
            margin: 0.8rem 0 1.4rem 1.8rem;
            color: #d0d0d0;
        }
        .main-article li {
            margin-bottom: 0.5rem;
        }
        .main-article blockquote {
            border-left: 5px solid #f5c518;
            background: #1a1a1a;
            padding: 1.2rem 1.8rem;
            margin: 1.6rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #ccc;
        }
        .main-article .highlight-box {
            background: #1e1e1e;
            border: 1px solid #333;
            border-radius: 16px;
            padding: 1.6rem 2rem;
            margin: 2rem 0;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
        }
        .main-article .highlight-box h4 {
            margin-top: 0;
            color: #f5c518;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7);
        }
        .featured-image figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: #888;
            margin-top: 0.6rem;
        }
        .sidebar {
            background: #141414;
            border-radius: 20px;
            padding: 1.8rem 1.6rem;
            border: 1px solid #2a2a2a;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            margin-top: 0;
            border-bottom: 2px solid #f5c518;
            padding-bottom: 0.6rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 1rem 0 0;
        }
        .sidebar ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #252525;
        }
        .sidebar ul li a {
            color: #ccc;
            font-weight: 500;
            transition: 0.2s;
        }
        .sidebar ul li a:hover {
            color: #f5c518;
            padding-left: 4px;
        }
        .search-form {
            display: flex;
            gap: 0.4rem;
            margin: 1.6rem 0 2.4rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border-radius: 40px;
            border: 2px solid #333;
            background: #1a1a1a;
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #f5c518;
            background: #222;
        }
        .search-form button {
            padding: 0.8rem 1.8rem;
            border-radius: 40px;
            border: none;
            background: #f5c518;
            color: #0b0b0b;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
        }
        .search-form button:hover {
            background: #ffdd66;
            transform: scale(1.02);
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 3rem 0 1rem;
            padding-top: 2rem;
            border-top: 2px solid #2a2a2a;
        }
        @media (max-width: 700px) {
            .user-feedback {
                grid-template-columns: 1fr;
                gap: 1.6rem;
            }
        }
        .feedback-card {
            background: #161616;
            border-radius: 20px;
            padding: 1.6rem 1.8rem;
            border: 1px solid #2a2a2a;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            color: #f5c518;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card textarea,
        .feedback-card input,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 2px solid #333;
            background: #1f1f1f;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: 0.25s;
            font-family: inherit;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus,
        .feedback-card select:focus {
            border-color: #f5c518;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #444;
            cursor: pointer;
            direction: rtl;
        }
        .feedback-card .star-rating input {
            display: none;
        }
        .feedback-card .star-rating label {
            color: #444;
            transition: 0.2s;
            cursor: pointer;
        }
        .feedback-card .star-rating label:hover,
        .feedback-card .star-rating label:hover~label,
        .feedback-card .star-rating input:checked~label {
            color: #f5c518;
        }
        .feedback-card .btn-submit {
            padding: 0.8rem 1.8rem;
            border-radius: 40px;
            border: none;
            background: #f5c518;
            color: #0b0b0b;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #ffdd66;
            transform: scale(1.02);
        }
        friend-link {
            display: block;
            background: #111;
            padding: 2rem 0;
            border-top: 2px solid #2a2a2a;
            border-bottom: 1px solid #1a1a1a;
            text-align: center;
        }
        friend-link .fl-wrap {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.2rem 2.4rem;
            font-size: 1.05rem;
        }
        friend-link .fl-wrap a {
            color: #bbb;
            font-weight: 500;
            transition: 0.2s;
        }
        friend-link .fl-wrap a:hover {
            color: #f5c518;
            text-decoration: none;
        }
        friend-link .fl-label {
            font-size: 0.85rem;
            color: #666;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 0.6rem;
        }
        footer {
            background: #0a0a0a;
            padding: 2.2rem 0 2.8rem;
            text-align: center;
            color: #666;
            font-size: 0.9rem;
        }
        footer p {
            color: #666;
            margin-bottom: 0.3rem;
        }
        footer a {
            color: #999;
        }
        footer a:hover {
            color: #f5c518;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: inline-block;
            }
            .nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #111;
                padding: 1rem 0 0.6rem;
                border-top: 1px solid #2a2a2a;
                margin-top: 0.6rem;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1rem;
                width: 100%;
            }
            header .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .feedback-card .star-rating {
                font-size: 1.5rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0b0b;
        }
        ::-webkit-scrollbar-thumb {
            background: #333;
            border-radius: 12px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #555;
        }
        .author-badge {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            background: #1a1a1a;
            padding: 0.8rem 1.4rem;
            border-radius: 60px;
            margin: 1.4rem 0 0.4rem;
            border: 1px solid #2a2a2a;
            width: fit-content;
        }
        .author-badge i {
            font-size: 1.6rem;
            color: #f5c518;
        }
        .author-badge .author-info {
            font-size: 0.85rem;
            color: #aaa;
        }
        .author-badge .author-info strong {
            color: #eee;
        }