* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            line-height: 1.75;
            color: #1a1a2e;
            background: #f8f9fc;
        }
        a {
            color: #0066cc;
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fca311 !important;
            text-decoration: none;
            letter-spacing: 1px;
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo i {
            margin-right: 8px;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 20px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e0e0e0;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .nav-menu a:hover {
            background: rgba(252, 163, 17, 0.2);
            color: #fca311;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #fca311;
            cursor: pointer;
        }
        .breadcrumb {
            background: #fff;
            padding: 10px 0;
            border-bottom: 1px solid #eee;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: #999;
        }
        .breadcrumb a {
            color: #666;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 3fr 1fr;
            gap: 30px;
            margin: 30px 0;
        }
        .sidebar {
            background: #fff;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            height: fit-content;
            position: sticky;
            top: 80px;
        }
        .sidebar h3 {
            font-size: 1.1rem;
            color: #1a1a2e;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #fca311;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar a {
            color: #555;
            font-size: 0.9rem;
            display: block;
            padding: 5px 0;
            transition: all 0.3s;
        }
        .sidebar a:hover {
            color: #fca311;
            padding-left: 8px;
            text-decoration: none;
        }
        .main-content {
            background: #fff;
            border-radius: 12px;
            padding: 35px 40px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        .main-content h1 {
            font-size: 2.3rem;
            color: #1a1a2e;
            line-height: 1.3;
            margin-bottom: 10px;
        }
        .main-content h2 {
            font-size: 1.7rem;
            color: #1a1a2e;
            margin: 40px 0 15px;
            padding-bottom: 10px;
            border-bottom: 3px solid #fca311;
        }
        .main-content h3 {
            font-size: 1.3rem;
            color: #16213e;
            margin: 30px 0 10px;
        }
        .main-content h4 {
            font-size: 1.1rem;
            color: #333;
            margin: 20px 0 8px;
        }
        .main-content p {
            margin-bottom: 15px;
            color: #444;
            font-size: 1rem;
        }
        .main-content ul,
        .main-content ol {
            margin: 0 0 20px 25px;
            color: #444;
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .post-meta {
            display: flex;
            gap: 20px;
            font-size: 0.9rem;
            color: #888;
            margin: 15px 0 25px;
            flex-wrap: wrap;
            padding-bottom: 15px;
            border-bottom: 1px solid #f0f0f0;
        }
        .post-meta i {
            margin-right: 5px;
            color: #fca311;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 20px 0;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff8e7, #fff3d6);
            border-left: 4px solid #fca311;
            padding: 20px 25px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        .highlight-box h4 {
            color: #b87b00;
            margin-bottom: 8px;
        }
        .info-box {
            background: #f0f7ff;
            border: 1px solid #d6e9ff;
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
        }
        .info-box h4 {
            color: #0066cc;
            margin-bottom: 8px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }
        .stat-card {
            background: #f8f9fc;
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            border: 1px solid #e8ecf0;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
        }
        .stat-card .number {
            font-size: 2rem;
            font-weight: 700;
            color: #fca311;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #666;
            margin-top: 5px;
        }
        .tip-list {
            list-style: none;
            margin: 20px 0;
        }
        .tip-list li {
            padding: 12px 15px;
            background: #f9fafb;
            border-radius: 8px;
            margin-bottom: 10px;
            border-left: 3px solid #fca311;
            transition: background 0.3s;
        }
        .tip-list li:hover {
            background: #fff8e7;
        }
        .form-section {
            background: #f8f9fc;
            border-radius: 12px;
            padding: 30px;
            margin: 30px 0;
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 5px;
            font-size: 0.9rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #fca311;
            box-shadow: 0 0 0 3px rgba(252, 163, 17, 0.15);
        }
        .btn-primary {
            background: linear-gradient(135deg, #fca311, #e8890c);
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(252, 163, 17, 0.4);
        }
        .comment-item {
            border-bottom: 1px solid #eee;
            padding: 20px 0;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-item .avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-right: 15px;
            vertical-align: middle;
        }
        .comment-item .comment-body {
            display: inline-block;
            vertical-align: middle;
            width: calc(100% - 70px);
        }
        .comment-item .comment-author {
            font-weight: 600;
            color: #333;
        }
        .comment-item .comment-text {
            color: #666;
            font-size: 0.95rem;
            margin-top: 5px;
        }
        .rating-stars {
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
            display: inline-flex;
            gap: 5px;
        }
        .rating-stars .fa-star.active {
            color: #fca311;
        }
        .site-footer {
            background: #1a1a2e;
            color: #aaa;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .site-footer h3 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 15px;
        }
        .site-footer ul {
            list-style: none;
        }
        .site-footer li {
            margin-bottom: 8px;
        }
        .site-footer a {
            color: #aaa;
            transition: color 0.3s;
        }
        .site-footer a:hover {
            color: #fca311;
            text-decoration: none;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 15px 20px;
            border-radius: 8px;
            margin: 20px 0;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #fca311;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            font-size: 0.85rem;
            color: #777;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-direction: row;
                justify-content: space-between;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: #1a1a2e;
                flex-direction: column;
                padding: 20px;
                gap: 10px;
                border-top: 1px solid #333;
            }
            .nav-menu.open {
                display: flex;
            }
            .main-content {
                padding: 25px 20px;
            }
            .main-content h1 {
                font-size: 1.7rem;
            }
            .main-content h2 {
                font-size: 1.4rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            .main-content {
                padding: 20px 15px;
            }
            .form-section {
                padding: 20px 15px;
            }
        }