* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #004499;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            color: #fff;
            padding: 18px 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;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: 0 0 30px rgba(255, 210, 0, 0.15);
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #aaa;
            color: #aaa;
            display: block;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-menu {
            display: flex;
            gap: 24px;
            align-items: center;
            list-style: none;
        }
        .nav-menu a {
            color: #ddd;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.25s;
        }
        .nav-menu a:hover {
            color: #ffd200;
            border-bottom-color: #ffd200;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fff;
            background: none;
            border: none;
            padding: 4px 12px;
            border-radius: 8px;
            transition: 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .breadcrumb {
            background: #eef1f7;
            padding: 12px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e0e4ed;
        }
        .breadcrumb a {
            color: #335;
        }
        .breadcrumb span {
            color: #666;
        }
        .breadcrumb i {
            margin: 0 6px;
            color: #999;
            font-size: 0.65rem;
        }
        .hero {
            background: linear-gradient(145deg, #1a1a3e, #2d2b55);
            color: #fff;
            padding: 48px 0 40px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.15rem;
            color: #ccc;
            max-width: 780px;
            margin: 0 auto 20px;
        }
        .hero .meta-info {
            font-size: 0.9rem;
            color: #aaa;
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: #ffd200;
        }
        .hero-image-wrapper {
            max-width: 820px;
            margin: 32px auto 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        }
        .content-section {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .main-content h2 {
            font-size: 2rem;
            color: #1a1a3e;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f7971e;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.5rem;
            color: #2d2b55;
            margin: 32px 0 12px;
        }
        .main-content h4 {
            font-size: 1.2rem;
            color: #3a3a6e;
            margin: 24px 0 10px;
        }
        .main-content p {
            margin-bottom: 18px;
            color: #2c2c3e;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 24px;
            color: #2c2c3e;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content .highlight-box {
            background: #f0f4ff;
            border-left: 5px solid #f7971e;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .main-content .highlight-box strong {
            color: #1a1a3e;
        }
        .main-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }
        .main-content table th {
            background: #2d2b55;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
        }
        .main-content table td {
            padding: 11px 16px;
            border-bottom: 1px solid #e0e4ed;
        }
        .main-content table tr:nth-child(even) {
            background: #f8f9fd;
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            color: #1a1a3e;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 10px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            margin-bottom: 10px;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: 8px;
            background: #f8f9fd;
            transition: 0.2s;
            font-size: 0.9rem;
        }
        .sidebar ul li a:hover {
            background: #eef1f7;
            text-decoration: none;
            transform: translateX(4px);
        }
        .sidebar ul li a i {
            color: #f7971e;
            width: 20px;
            text-align: center;
        }
        .search-box {
            background: #fff;
            border-radius: 12px;
            padding: 18px 20px;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
            margin-bottom: 30px;
        }
        .search-box form {
            display: flex;
            gap: 10px;
        }
        .search-box input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #e0e4ed;
            border-radius: 10px;
            font-size: 1rem;
            outline: none;
            transition: 0.25s;
        }
        .search-box input:focus {
            border-color: #f7971e;
        }
        .search-box button {
            background: #f7971e;
            color: #fff;
            border: none;
            padding: 0 24px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
        }
        .search-box button:hover {
            background: #e0860a;
            transform: scale(1.02);
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 24px 24px 30px;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.3rem;
            margin-bottom: 16px;
            color: #1a1a3e;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-section textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e0e4ed;
            border-radius: 10px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: 0.25s;
            font-family: inherit;
        }
        .comment-section textarea:focus {
            border-color: #f7971e;
        }
        .comment-section input[type="text"] {
            width: 100%;
            padding: 11px 16px;
            border: 2px solid #e0e4ed;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.25s;
            margin-bottom: 12px;
        }
        .comment-section input[type="text"]:focus {
            border-color: #f7971e;
        }
        .comment-section .btn-submit,
        .rating-section .btn-submit {
            background: #2d2b55;
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            margin-top: 8px;
        }
        .comment-section .btn-submit:hover,
        .rating-section .btn-submit:hover {
            background: #1a1a3e;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 6px;
            font-size: 2rem;
            margin: 12px 0 16px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ddd;
            transition: 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7971e;
        }
        .rating-section .score-display {
            font-size: 1.1rem;
            color: #2c2c3e;
        }
        .rating-section .score-display span {
            font-weight: 700;
            color: #f7971e;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            background: #1a1a3e;
            color: #ddd;
            padding: 28px 0 20px;
            margin-top: 40px;
            text-align: center;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 18px 28px;
        }
        friend-link a {
            color: #ffd200;
            font-weight: 500;
            font-size: 0.95rem;
            transition: 0.2s;
        }
        friend-link a:hover {
            color: #fff;
            text-decoration: underline;
        }
        footer {
            background: #0f0c29;
            color: #999;
            padding: 30px 0 24px;
            text-align: center;
            font-size: 0.9rem;
        }
        footer a {
            color: #ffd200;
        }
        footer a:hover {
            color: #fff;
        }
        footer .copyright {
            margin-top: 12px;
            border-top: 1px solid #2a2a4a;
            padding-top: 16px;
            font-size: 0.85rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 30px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1a3e;
                padding: 18px 0 24px;
                border-radius: 0 0 16px 16px;
                gap: 12px;
                margin-top: 14px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 20px;
                border-bottom: none;
            }
            .hamburger {
                display: block;
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero .meta-info {
                flex-direction: column;
                gap: 8px;
            }
            .main-content h2 {
                font-size: 1.6rem;
            }
            .main-content h3 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 14px;
            }
            .search-box form {
                flex-direction: column;
            }
            .search-box button {
                padding: 12px;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .main-content table {
                font-size: 0.8rem;
            }
            .main-content table th,
            .main-content table td {
                padding: 8px 10px;
            }
            .sidebar ul li a {
                font-size: 0.8rem;
                padding: 6px 8px;
            }
        }
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }
        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .text-small {
            font-size: 0.85rem;
            color: #666;
        }