*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f9f7f4;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #b45309;
            text-decoration: underline;
            transition: color 0.2s;
        }
        a:hover {
            color: #7a2e0e;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.25rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.5rem;
            color: #1e1e2a;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-top: 2.5rem;
            margin-bottom: 0.75rem;
            border-bottom: 3px solid #f59e0b;
            padding-bottom: 0.3rem;
            color: #1e1e2a;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin-top: 1.8rem;
            margin-bottom: 0.5rem;
            color: #2d2d3f;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 1.2rem;
            margin-bottom: 0.3rem;
            color: #3b3b4f;
        }
        p {
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            color: #fff;
            padding: 0.8rem 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;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fbbf24;
            text-decoration: none;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #f59e0b;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #f59e0b;
        }
        .my-logo span {
            font-weight: 300;
            color: #cbd5e1;
            font-size: 0.85rem;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        nav a {
            color: #e2e8f0;
            text-decoration: none;
            padding: 0.45rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        nav a:hover,
        nav a.active {
            background: rgba(251, 191, 36, 0.2);
            color: #fbbf24;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #fbbf24;
            color: #fbbf24;
            font-size: 1.6rem;
            padding: 0.3rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: rgba(251, 191, 36, 0.15);
        }
        .breadcrumb {
            background: #f1eee9;
            padding: 0.6rem 0;
            border-bottom: 1px solid #e2dcd3;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #999;
        }
        .breadcrumb a {
            color: #b45309;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 500;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-article {
            min-width: 0;
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #ede9e3;
            align-self: start;
            position: sticky;
            top: 5.5rem;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #f59e0b;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar li {
            margin-bottom: 0.6rem;
        }
        .sidebar a {
            display: block;
            padding: 0.5rem 0.8rem;
            background: #f9f7f4;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 500;
            color: #1e1e2a;
            transition: background 0.2s, color 0.2s;
            border-left: 3px solid transparent;
        }
        .sidebar a:hover {
            background: #fef3c7;
            color: #b45309;
            border-left-color: #f59e0b;
        }
        .featured-img-wrap {
            margin: 1.8rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            position: relative;
        }
        .featured-img-wrap img {
            width: 100%;
            max-height: 450px;
            object-fit: cover;
        }
        .featured-img-wrap figcaption {
            background: rgba(15, 12, 41, 0.85);
            color: #f1eee9;
            padding: 0.6rem 1.2rem;
            font-size: 0.85rem;
            text-align: center;
        }
        .btn {
            display: inline-block;
            padding: 0.6rem 1.6rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            text-decoration: none;
            background: #f59e0b;
            color: #1e1e2a;
        }
        .btn:hover {
            background: #d97706;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #f59e0b;
            color: #b45309;
        }
        .btn-outline:hover {
            background: #f59e0b;
            color: #1e1e2a;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.9rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2dcd3;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #f59e0b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
            margin: 0.5rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d1d5db;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
            transform: scale(1.05);
        }
        .comments-area {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            margin: 2.5rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #ede9e3;
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #f1eee9;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 700;
            color: #1e1e2a;
        }
        .comment-date {
            font-size: 0.8rem;
            color: #888;
            margin-left: 0.5rem;
        }
        .comment-text {
            margin-top: 0.3rem;
            color: #3b3b4f;
        }
        footer {
            background: #0f0c29;
            color: #cbd5e1;
            padding: 2.5rem 0 1.8rem;
            margin-top: 3rem;
        }
        footer a {
            color: #fbbf24;
        }
        footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #fbbf24;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid li {
            margin-bottom: 0.4rem;
        }
        .footer-grid a {
            text-decoration: none;
        }
        .footer-grid a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d2d4f;
            font-size: 0.85rem;
            color: #9ca3af;
        }
        friend-link {
            display: block;
            background: rgba(251, 191, 36, 0.05);
            padding: 1rem 1.2rem;
            border-radius: 12px;
            margin-top: 1rem;
            border: 1px solid rgba(251, 191, 36, 0.15);
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: rgba(251, 191, 36, 0.1);
            border-radius: 20px;
            text-decoration: none;
        }
        friend-link a:hover {
            background: rgba(251, 191, 36, 0.25);
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.2rem 0 1.8rem;
            max-width: 550px;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #e2dcd3;
            border-radius: 30px;
            font-size: 0.95rem;
            background: #fff;
            transition: border-color 0.2s;
        }
        .search-form input:focus {
            border-color: #f59e0b;
            outline: none;
        }
        .search-form button {
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            background: #f59e0b;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            color: #1e1e2a;
        }
        .search-form button:hover {
            background: #d97706;
            transform: scale(1.02);
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
                margin-top: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 680px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                flex-basis: 100%;
                flex-direction: column;
                display: none;
                padding-top: 0.8rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.5rem;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                width: 100%;
                border-radius: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .comments-area {
                padding: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo span {
                font-size: 0.7rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        .badge {
            display: inline-block;
            background: #fef3c7;
            color: #92400e;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #777;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin: 0.5rem 0 1rem;
        }
        .highlight-box {
            background: #fef9ee;
            border-left: 4px solid #f59e0b;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        th,
        td {
            padding: 0.6rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2dcd3;
        }
        th {
            background: #f1eee9;
            font-weight: 700;
        }
        .emoji-big {
            font-size: 1.8rem;
        }
        .tag {
            display: inline-block;
            background: #e6e0d8;
            padding: 0.15rem 0.6rem;
            border-radius: 12px;
            font-size: 0.75rem;
            margin-right: 0.3rem;
        }
        .pro-tip {
            background: #dbeafe;
            border-radius: 12px;
            padding: 1rem 1.4rem;
            margin: 1rem 0;
        }
        .pro-tip strong {
            color: #1e40af;
        }