* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f0eb;
            color: #2c3e50;
            line-height: 1.75;
        }
        .header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #f39c12;
            text-decoration: none;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .my-logo span {
            color: #e94560;
        }
        .nav-links {
            display: flex;
            gap: 1.2rem;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
            transition: background 0.3s, color 0.3s;
            font-size: 0.95rem;
        }
        .nav-links a:hover {
            background: #e94560;
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            color: #fff;
            cursor: pointer;
            background: none;
            border: none;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #1a1a2e;
                padding: 1rem 0;
                border-radius: 0 0 12px 12px;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links a {
                padding: 0.8rem 1.5rem;
            }
        }
        .breadcrumb {
            background: #f8e0ce;
            padding: 0.6rem 2rem;
            font-size: 0.85rem;
        }
        .breadcrumb a {
            color: #e94560;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #7f8c8d;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 2rem;
        }
        @media (max-width: 900px) {
            .container {
                grid-template-columns: 1fr;
                padding: 1rem;
            }
            .sidebar {
                order: 2;
            }
        }
        .main-content {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .main-content h1 {
            font-size: 2.4rem;
            color: #1a1a2e;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .main-content h1 .highlight {
            color: #e94560;
        }
        .post-meta {
            display: flex;
            gap: 1.5rem;
            color: #7f8c8d;
            font-size: 0.85rem;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            border-bottom: 1px solid #ecf0f1;
            padding-bottom: 1rem;
        }
        .post-meta i {
            margin-right: 0.3rem;
            color: #f39c12;
        }
        .main-content h2 {
            font-size: 1.8rem;
            color: #1a1a2e;
            margin: 2rem 0 1rem;
            padding-left: 0.8rem;
            border-left: 4px solid #e94560;
        }
        .main-content h3 {
            font-size: 1.35rem;
            color: #2c3e50;
            margin: 1.5rem 0 0.8rem;
        }
        .main-content h4 {
            font-size: 1.1rem;
            color: #e94560;
            margin: 1rem 0 0.5rem;
        }
        .main-content p {
            margin-bottom: 1rem;
            font-size: 1.02rem;
        }
        .main-content ul,
        .main-content ol {
            margin: 1rem 0 1rem 2rem;
        }
        .main-content li {
            margin-bottom: 0.5rem;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 4px solid #f39c12;
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .info-box {
            background: #eaf2f8;
            border-left: 4px solid #3498db;
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .warning-box {
            background: #fdecea;
            border-left: 4px solid #e74c3c;
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .content-img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }
        .figure-caption {
            text-align: center;
            font-size: 0.85rem;
            color: #7f8c8d;
            margin-top: -0.5rem;
            margin-bottom: 1.5rem;
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            height: fit-content;
            position: sticky;
            top: 80px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            color: #1a1a2e;
            margin-bottom: 1rem;
            border-bottom: 2px solid #f39c12;
            padding-bottom: 0.5rem;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar ul li {
            margin-bottom: 0.6rem;
        }
        .sidebar ul li a {
            color: #2c3e50;
            text-decoration: none;
            transition: color 0.3s;
        }
        .sidebar ul li a:hover {
            color: #e94560;
        }
        .sidebar ul li a i {
            color: #f39c12;
            margin-right: 0.4rem;
            font-size: 0.85rem;
        }
        .interactive-box {
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            color: #fff;
            padding: 1.5rem;
            border-radius: 12px;
            margin: 2rem 0;
        }
        .interactive-box h3 {
            color: #f39c12;
            margin-top: 0;
        }
        .interactive-box form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .interactive-box input,
        .interactive-box textarea,
        .interactive-box select {
            padding: 0.8rem;
            border: none;
            border-radius: 6px;
            font-size: 1rem;
            font-family: inherit;
        }
        .interactive-box textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interactive-box .btn {
            background: #f39c12;
            color: #1a1a2e;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .interactive-box .btn:hover {
            background: #e67e22;
            transform: translateY(-2px);
        }
        .search-box {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .search-box input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: border-color 0.3s;
        }
        .search-box input:focus {
            outline: none;
            border-color: #e94560;
        }
        .search-box button {
            background: #e94560;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0 1.2rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #c0392b;
        }
        .review-box {
            background: #f8f9fa;
            padding: 1.2rem;
            border-radius: 12px;
            margin: 2rem 0;
            border: 1px solid #e9ecef;
        }
        .review-box .stars {
            color: #f39c12;
            font-size: 1.5rem;
        }
        .review-box .stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .review-box .stars i:hover {
            transform: scale(1.2);
        }
        .comment-list {
            margin-top: 1rem;
        }
        .comment-item {
            background: #f8f9fa;
            padding: 1rem;
            border-radius: 8px;
            margin-bottom: 0.8rem;
            border-left: 3px solid #e94560;
        }
        .comment-item .author {
            font-weight: 700;
            color: #1a1a2e;
        }
        .comment-item .time {
            font-size: 0.8rem;
            color: #7f8c8d;
        }
        .footer {
            background: #1a1a2e;
            color: #bdc3c7;
            padding: 2rem;
            text-align: center;
            margin-top: 3rem;
        }
        .footer a {
            color: #f39c12;
            text-decoration: none;
        }
        .footer a:hover {
            text-decoration: underline;
        }
        friend-link {
            display: block;
            margin: 1rem auto;
            padding: 1rem;
            background: #16213e;
            border-radius: 8px;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #f39c12 !important;
            margin: 0 0.5rem;
        }
        .copyright {
            margin-top: 1.5rem;
            padding-top: 1rem;
            border-top: 1px solid #2c3e50;
        }
        .table-of-contents {
            background: #f8f9fa;
            padding: 1rem 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0;
        }
        .table-of-contents h3 {
            margin-top: 0;
            color: #1a1a2e;
        }
        .table-of-contents ul {
            columns: 2;
            column-gap: 2rem;
        }
        @media (max-width: 600px) {
            .table-of-contents ul {
                columns: 1;
            }
        }
        .table-of-contents a {
            color: #2c3e50;
            text-decoration: none;
        }
        .table-of-contents a:hover {
            color: #e94560;
            text-decoration: underline;
        }
        .highlight {
            background: #fff3cd;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .btn-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: #e94560;
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            transition: background 0.3s, transform 0.3s;
            z-index: 999;
        }
        .btn-top:hover {
            background: #c0392b;
            transform: translateY(-4px);
        }
        .stat-card {
            display: inline-block;
            background: #eaf2f8;
            border-radius: 12px;
            padding: 1rem 1.5rem;
            margin: 0.5rem;
            text-align: center;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 900;
            color: #e94560;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #7f8c8d;
        }
        .author-box {
            display: flex;
            gap: 1rem;
            background: #f0f4f8;
            padding: 1.2rem;
            border-radius: 12px;
            margin: 2rem 0;
        }
        .author-box img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
        }
        .author-box .info h4 {
            margin: 0 0 0.3rem;
            color: #1a1a2e;
        }
        a {
            color: #e94560;
        }
        a:hover {
            color: #c0392b;
        }
        figure {
            margin: 1.5rem 0;
        }
        figure img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        figure figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: #7f8c8d;
            padding: 0.5rem 0;
        }