* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #0b0c10;
            color: #e0e0e0;
            line-height: 1.8;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #ffd700;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffed4a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 18px 0;
            border-bottom: 3px solid #ffd700;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(45deg, #ffd700, #ffb300);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.15);
        }
        .my-logo i {
            -webkit-text-fill-color: #ffd700;
            margin-right: 8px;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #ffd700;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        nav {
            display: flex;
            gap: 22px;
            align-items: center;
            flex-wrap: wrap;
        }
        nav a {
            color: #f0f0f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.3s, color 0.3s;
        }
        nav a:hover {
            border-bottom-color: #ffd700;
            color: #ffd700;
            text-decoration: none;
        }
        .breadcrumb {
            background: #141622;
            padding: 10px 0;
            border-bottom: 1px solid #2a2d3a;
            font-size: 0.85rem;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #ffd700;
        }
        .breadcrumb span {
            color: #ffd700;
        }
        .hero {
            background: linear-gradient(145deg, #1c1f33, #0f111a);
            padding: 50px 0 40px;
            text-align: center;
            border-bottom: 1px solid #2a2d3a;
        }
        .hero h1 {
            font-size: 2.8rem;
            color: #ffd700;
            margin-bottom: 12px;
            letter-spacing: 1px;
            text-shadow: 0 0 40px rgba(255, 215, 0, 0.08);
        }
        .hero p {
            font-size: 1.15rem;
            color: #ccc;
            max-width: 800px;
            margin: 0 auto;
        }
        .hero .last-updated {
            margin-top: 14px;
            font-size: 0.9rem;
            color: #999;
            display: inline-block;
            background: rgba(255, 215, 0, 0.08);
            padding: 4px 18px;
            border-radius: 30px;
            border: 1px solid #333;
        }
        .hero .last-updated i {
            margin-right: 6px;
            color: #ffd700;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 45px 0;
        }
        .main-content h2 {
            font-size: 2rem;
            color: #ffd700;
            margin-top: 48px;
            margin-bottom: 18px;
            border-left: 5px solid #ffd700;
            padding-left: 18px;
        }
        .main-content h3 {
            font-size: 1.5rem;
            color: #f5e6a3;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .main-content h4 {
            font-size: 1.2rem;
            color: #ddd;
            margin-top: 22px;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .main-content p {
            margin-bottom: 18px;
            color: #d0d0d0;
            text-align: justify;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 28px;
            color: #d0d0d0;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content strong {
            color: #fff;
            font-weight: 700;
        }
        .main-content .highlight-box {
            background: #1a1d2e;
            border-left: 4px solid #ffd700;
            padding: 18px 24px;
            margin: 24px 0;
            border-radius: 0 12px 12px 0;
        }
        .main-content .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .featured-image {
            margin: 30px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
            background: #1a1d2e;
            padding: 8px;
        }
        .featured-image img {
            border-radius: 12px;
            width: 100%;
        }
        .featured-image figcaption {
            text-align: center;
            padding: 10px 0 4px;
            font-size: 0.85rem;
            color: #999;
            font-style: italic;
        }
        .sidebar {
            background: #141622;
            border-radius: 16px;
            padding: 26px 22px;
            border: 1px solid #2a2d3a;
            position: sticky;
            top: 120px;
            height: fit-content;
            max-height: calc(100vh - 140px);
            overflow-y: auto;
        }
        .sidebar h3 {
            color: #ffd700;
            font-size: 1.3rem;
            margin-bottom: 18px;
            border-bottom: 1px solid #2a2d3a;
            padding-bottom: 10px;
        }
        .sidebar .link-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar .link-list li {
            margin-bottom: 10px;
            border-bottom: 1px solid #1e2130;
            padding-bottom: 10px;
        }
        .sidebar .link-list a {
            color: #bbb;
            font-size: 0.9rem;
            transition: color 0.3s, padding-left 0.3s;
            display: block;
        }
        .sidebar .link-list a:hover {
            color: #ffd700;
            padding-left: 4px;
            text-decoration: none;
        }
        .sidebar .link-list i {
            margin-right: 8px;
            color: #ffd700;
            font-size: 0.8rem;
        }
        .search-box {
            background: #0f111a;
            border: 1px solid #2a2d3a;
            border-radius: 40px;
            padding: 6px 6px 6px 20px;
            display: flex;
            align-items: center;
            margin-bottom: 28px;
            transition: border-color 0.3s;
        }
        .search-box:focus-within {
            border-color: #ffd700;
        }
        .search-box input {
            flex: 1;
            background: none;
            border: none;
            color: #f0f0f0;
            padding: 10px 0;
            font-size: 1rem;
            outline: none;
        }
        .search-box input::placeholder {
            color: #666;
        }
        .search-box button {
            background: #ffd700;
            border: none;
            border-radius: 40px;
            padding: 10px 22px;
            color: #0b0c10;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            font-size: 0.95rem;
        }
        .search-box button:hover {
            background: #ffed4a;
            transform: scale(1.02);
        }
        .feedback-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #2a2d3a;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .feedback-card {
            background: #141622;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #2a2d3a;
        }
        .feedback-card h3 {
            color: #ffd700;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .feedback-card label {
            display: block;
            margin-bottom: 6px;
            color: #ccc;
            font-weight: 500;
        }
        .feedback-card input,
        .feedback-card textarea {
            width: 100%;
            background: #0f111a;
            border: 1px solid #2a2d3a;
            border-radius: 10px;
            padding: 12px 16px;
            color: #f0f0f0;
            font-size: 0.95rem;
            margin-bottom: 14px;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: #ffd700;
            outline: none;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .star-rating {
            display: flex;
            gap: 6px;
            margin-bottom: 14px;
            font-size: 1.6rem;
            cursor: pointer;
        }
        .feedback-card .star-rating i {
            color: #444;
            transition: color 0.2s;
        }
        .feedback-card .star-rating i.active,
        .feedback-card .star-rating i:hover {
            color: #ffd700;
        }
        .feedback-card .btn-submit {
            background: #ffd700;
            border: none;
            border-radius: 40px;
            padding: 12px 30px;
            color: #0b0c10;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            font-size: 1rem;
        }
        .feedback-card .btn-submit:hover {
            background: #ffed4a;
            transform: scale(1.02);
        }
        footer {
            background: #0c0d14;
            border-top: 2px solid #1e2130;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        footer .footer-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        footer h4 {
            color: #ffd700;
            margin-bottom: 14px;
            font-size: 1.1rem;
        }
        friend-link {
            display: block;
            margin-bottom: 8px;
        }
        friend-link a {
            color: #bbb;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: #ffd700;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid #1e2130;
            margin-top: 20px;
            color: #888;
            font-size: 0.85rem;
        }
        .copyright strong {
            color: #ccc;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                max-height: none;
                margin-top: 30px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 10px;
                padding: 16px 0 8px;
                border-top: 1px solid #2a2d3a;
                margin-top: 10px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                font-size: 1rem;
                padding: 8px 0;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .main-content h2 {
                font-size: 1.6rem;
            }
            .main-content h3 {
                font-size: 1.25rem;
            }
            .header-inner {
                gap: 6px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            footer .footer-inner {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.75rem;
                overflow-x: auto;
                white-space: nowrap;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .feedback-card {
                padding: 16px;
            }
            .search-box {
                flex-wrap: wrap;
                padding: 6px 6px 6px 14px;
            }
            .search-box input {
                min-width: 120px;
            }
            .search-box button {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0c10;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a2d3a;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #ffd700;
        }
        .hidden-schema {
            display: none;
        }