* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f4f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #d32f2f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #b71c1c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0a0a23 0%, #1a1a3e 100%);
            padding: 16px 0;
            border-bottom: 4px solid #d32f2f;
            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;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ff6f00, #d32f2f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(211, 47, 47, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #aaa;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links li a {
            color: #ddd;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-links li a:hover {
            background: rgba(211, 47, 47, 0.2);
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #fff;
            cursor: pointer;
            padding: 4px 8px;
        }
        .nav-open .nav-links {
            display: flex;
            flex-direction: column;
            width: 100%;
            margin-top: 12px;
            gap: 8px;
        }
        .breadcrumb {
            background: #e8edf5;
            padding: 10px 0;
            font-size: 0.9rem;
            color: #555;
            border-bottom: 1px solid #d0d7e3;
        }
        .breadcrumb a {
            color: #d32f2f;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #888;
        }
        .hero-section {
            margin: 30px 0 20px;
            position: relative;
        }
        .hero-section img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
        }
        .hero-caption {
            margin-top: 8px;
            font-size: 0.9rem;
            color: #666;
            text-align: center;
            font-style: italic;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        .main-content h1 {
            font-size: 2.6rem;
            font-weight: 900;
            color: #0a0a23;
            line-height: 1.2;
            margin-bottom: 10px;
            border-left: 6px solid #d32f2f;
            padding-left: 20px;
        }
        .main-content h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a1a3e;
            margin-top: 50px;
            margin-bottom: 16px;
            border-bottom: 3px solid #ff6f00;
            padding-bottom: 6px;
        }
        .main-content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2a2a4e;
            margin-top: 36px;
            margin-bottom: 12px;
        }
        .main-content h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #3a3a5e;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .main-content p {
            margin-bottom: 18px;
            text-align: justify;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 24px;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content strong {
            color: #b71c1c;
        }
        .main-content .highlight-box {
            background: #fff3e0;
            border-left: 6px solid #ff6f00;
            padding: 18px 24px;
            border-radius: 12px;
            margin: 24px 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .main-content .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #0a0a23;
            border-bottom: 3px solid #d32f2f;
            padding-bottom: 8px;
            margin-bottom: 16px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 6px 0;
            border-bottom: 1px solid #eee;
        }
        .sidebar ul li a {
            color: #1a1a3e;
            font-weight: 500;
        }
        .sidebar ul li a:hover {
            color: #d32f2f;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0 30px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #d0d7e3;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #d32f2f;
        }
        .search-form button {
            padding: 12px 28px;
            background: #d32f2f;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .feedback-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px;
            margin: 40px 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }
        .feedback-section h2 {
            margin-top: 0;
            border-bottom: 3px solid #d32f2f;
            padding-bottom: 8px;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d0d7e3;
            border-radius: 12px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 12px;
            resize: vertical;
            transition: border 0.2s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #d32f2f;
            outline: none;
        }
        .comment-form button {
            padding: 12px 32px;
            background: #0a0a23;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover {
            background: #1a1a3e;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            cursor: pointer;
            margin: 10px 0 16px;
            direction: rtl;
            unicode-bidi: bidi-override;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #ccc;
            transition: color 0.15s;
            cursor: pointer;
        }
        .rating-stars input:checked~label,
        .rating-stars label:hover,
        .rating-stars label:hover~label {
            color: #ff6f00;
        }
        friend-link {
            display: block;
            background: #1a1a3e;
            color: #ddd;
            padding: 20px 24px;
            border-radius: 16px;
            margin: 30px 0 20px;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #ffab40;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #fff;
        }
        .site-footer {
            background: #0a0a23;
            color: #aaa;
            padding: 30px 0;
            text-align: center;
            border-top: 4px solid #d32f2f;
            margin-top: 40px;
        }
        .site-footer .copyright {
            font-size: 0.9rem;
            letter-spacing: 0.3px;
        }
        .site-footer a {
            color: #ffab40;
        }
        .last-updated {
            display: inline-block;
            background: #e8edf5;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #555;
            margin-bottom: 16px;
        }
        @media (max-width: 900px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 30px;
            }
            .main-content h1 {
                font-size: 2rem;
            }
            .main-content h2 {
                font-size: 1.6rem;
            }
            .main-content h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 640px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 6px;
                padding: 10px 0;
            }
            .nav-open .nav-links {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .search-form button {
                width: 100%;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 14px;
            }
            .feedback-section {
                padding: 18px;
            }
        }
        @media (min-width: 641px) {
            .nav-links {
                display: flex !important;
            }
            .hamburger {
                display: none !important;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .img-placeholder {
            background: linear-gradient(135deg, #1a1a3e, #2a2a5e);
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            border-radius: 12px;
        }