*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f5f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #e84545;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #b71c1c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f0c29, #1a1a4e, #24243e);
            color: #fff;
            padding: 0 0 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #ffc107;
            text-shadow: 0 2px 8px rgba(255, 193, 7, 0.3);
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            font-size: 2rem;
            color: #ff6f00;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #ffd54f;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 300;
            color: #aaa;
            letter-spacing: 1px;
            display: block;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #ffc107;
            color: #ffc107;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #ffc107;
            color: #1a1a4e;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            align-items: center;
        }
        .main-nav a {
            color: #e0e0e0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .main-nav a:hover {
            color: #ffc107;
            border-bottom-color: #ffc107;
            text-decoration: none;
        }
        .main-nav a i {
            font-size: 0.85rem;
        }
        .breadcrumb {
            padding: 8px 20px 4px 20px;
            max-width: 1200px;
            margin: 0 auto;
            font-size: 0.85rem;
            color: #aaa;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #ffc107;
        }
        .breadcrumb a:hover {
            color: #fff;
            text-decoration: none;
        }
        .breadcrumb span {
            color: #ccc;
        }
        .main-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0 60px;
        }
        @media(max-width:992px) {
            .main-wrap {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .article-body h1 {
            font-size: 2.4rem;
            line-height: 1.2;
            margin: 0 0 12px 0;
            color: #0f0c29;
            border-left: 6px solid #ff6f00;
            padding-left: 18px;
        }
        .article-body h2 {
            font-size: 1.7rem;
            margin: 48px 0 18px 0;
            color: #1a1a4e;
            border-bottom: 3px solid #ffc107;
            padding-bottom: 8px;
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.3rem;
            margin: 32px 0 12px 0;
            color: #2d2d5e;
        }
        .article-body h4 {
            font-size: 1.1rem;
            margin: 24px 0 8px 0;
            color: #3d3d6e;
            font-weight: 600;
        }
        .article-body p {
            margin: 0 0 18px 0;
            text-align: justify;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 22px 30px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight {
            background: #fff8e1;
            padding: 4px 12px;
            border-radius: 6px;
            font-weight: 600;
        }
        .article-body .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        .article-body .feature-box {
            background: #ffffff;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 32px 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border-left: 6px solid #ff6f00;
        }
        .article-body .feature-box p:last-child {
            margin-bottom: 0;
        }
        .article-image {
            border-radius: 16px;
            overflow: hidden;
            margin: 30px 0;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
            background: #e0e0e0;
        }
        .article-image img {
            width: 100%;
            object-fit: cover;
        }
        .article-image figcaption {
            padding: 12px 20px;
            background: #fafafa;
            font-size: 0.9rem;
            color: #555;
            border-top: 1px solid #eee;
        }
        .sidebar {
            background: #ffffff;
            border-radius: 20px;
            padding: 28px 22px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 100px;
            align-self: start;
            height: auto;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-bottom: 18px;
            color: #1a1a4e;
            border-left: 4px solid #ff6f00;
            padding-left: 14px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0 0 28px 0;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            display: flex;
            align-items: baseline;
            gap: 8px;
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 1px dashed #eee;
            color: #2d2d5e;
        }
        .sidebar a:hover {
            color: #e84545;
            text-decoration: none;
            border-bottom-color: #e84545;
        }
        .sidebar a i {
            color: #ff6f00;
            font-size: 0.8rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 28px;
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid #e0e0e0;
            transition: 0.2s;
        }
        .search-form:focus-within {
            border-color: #ff6f00;
            box-shadow: 0 0 0 4px rgba(255, 111, 0, 0.1);
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 0.95rem;
            outline: none;
            background: #fafafa;
        }
        .search-form button {
            background: #ff6f00;
            color: #fff;
            border: none;
            padding: 0 24px;
            font-size: 1.2rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: #e65100;
        }
        .comment-section,
        .rating-section {
            background: #ffffff;
            border-radius: 20px;
            padding: 28px 30px;
            margin: 40px 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.3rem;
            margin-bottom: 18px;
            color: #1a1a4e;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: 0.2s;
            margin-bottom: 14px;
            background: #fafafa;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #ff6f00;
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 111, 0, 0.08);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form .btn,
        .rating-form .btn {
            background: #ff6f00;
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form .btn:hover,
        .rating-form .btn:hover {
            background: #e65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 111, 0, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #ffc107;
            margin: 10px 0 18px 0;
            cursor: pointer;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.25);
            color: #ff8f00;
        }
        .rating-form input[type="number"] {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            font-size: 0.95rem;
            margin-bottom: 14px;
            background: #fafafa;
        }
        .rating-form input[type="number"]:focus {
            border-color: #ff6f00;
            outline: none;
        }
        .site-footer {
            background: #0f0c29;
            color: #ccc;
            padding: 48px 20px 30px;
            margin-top: 40px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        @media(max-width:768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .footer-inner h4 {
            color: #ffc107;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }
        .footer-inner a {
            color: #bbb;
        }
        .footer-inner a:hover {
            color: #ffc107;
        }
        friend-link {
            display: block;
            margin: 12px 0;
        }
        friend-link a {
            display: inline-block;
            padding: 6px 0;
            color: #ffc107;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #fff;
            text-decoration: none;
        }
        .copyright {
            border-top: 1px solid #2a2a4e;
            margin-top: 36px;
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 20px 0 10px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
                width: 100%;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .article-body h1 {
                font-size: 1.7rem;
                padding-left: 12px;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .article-body .feature-box {
                padding: 18px 18px;
            }
            .comment-section,
            .rating-section {
                padding: 18px 16px;
            }
            .sidebar {
                position: static;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 6px 16px 2px;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 12px;
            }
            .article-body ul,
            .article-body ol {
                margin-left: 18px;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        @media print {
            .site-header {
                position: static;
                background: #fff;
                color: #000;
            }
            .site-footer {
                background: #fff;
                color: #000;
            }
            .sidebar {
                display: none;
            }
            .main-wrap {
                grid-template-columns: 1fr;
            }
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 20px;
            background: #ffc107;
            color: #000;
            padding: 12px 24px;
            z-index: 999;
            border-radius: 8px;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 12px;
        }