* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #d35400;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #a04000;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        blockquote {
            border-left: 4px solid #f39c12;
            padding-left: 1.5rem;
            margin: 1.5rem 0;
            font-style: italic;
            color: #555;
            background-color: #fef9e7;
            padding: 1rem 1.5rem;
            border-radius: 0 5px 5px 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background: linear-gradient(135deg, #2c3e50 0%, #4a6491 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #f1c40f;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #f39c12;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 0.5rem 0.75rem;
            border-radius: 4px;
            display: block;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(241, 196, 15, 0.2);
            color: #f1c40f;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.75rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #7f8c8d;
        }
        .breadcrumb a:hover {
            color: #d35400;
        }
        .breadcrumb span {
            color: #95a5a6;
            margin: 0 0.5rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #f1c40f;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #34495e;
            margin: 2.5rem 0 1.2rem;
            padding-top: 1rem;
            border-top: 1px dashed #bdc3c7;
        }
        h3 {
            font-size: 1.6rem;
            color: #16a085;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #8e44ad;
            margin: 1.5rem 0 0.8rem;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #7f8c8d;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #ecf0f1;
        }
        .update-time {
            background-color: #e8f6f3;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-weight: 600;
            color: #27ae60;
        }
        .featured-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            border: 5px solid #f1c40f;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        .pro-tip {
            background: linear-gradient(to right, #1abc9c, #16a085);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }
        .pro-tip i {
            font-size: 1.8rem;
            flex-shrink: 0;
        }
        .pro-tip strong {
            font-size: 1.2rem;
        }
        .internal-link-box {
            background-color: #f8f9fa;
            border-left: 5px solid #3498db;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .internal-link-box h4 {
            margin-top: 0;
            color: #2980b9;
        }
        aside {
            background-color: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.06);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget-title {
            font-size: 1.4rem;
            color: #2c3e50;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f1c40f;
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #bdc3c7;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background-color: #2980b9;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #f1c40f;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars span {
            margin: 0 0.1rem;
            transition: transform 0.2s;
        }
        .stars span:hover,
        .stars span:hover ~ span {
            color: #f39c12;
        }
        .stars span:hover {
            transform: scale(1.2);
        }
        .rating-form button {
            background-color: #2ecc71;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: background 0.3s;
        }
        .rating-form button:hover {
            background-color: #27ae60;
        }
        .quick-nav ul {
            list-style: none;
            padding-left: 0;
        }
        .quick-nav li {
            margin-bottom: 0.8rem;
        }
        .quick-nav a {
            display: block;
            padding: 0.8rem;
            background-color: #f8f9fa;
            border-radius: 5px;
            color: #2c3e50;
            font-weight: 500;
            border-left: 4px solid transparent;
            transition: all 0.3s;
        }
        .quick-nav a:hover {
            background-color: #e9ecef;
            border-left-color: #f1c40f;
            transform: translateX(5px);
        }
        .comment-section {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            margin-top: 3rem;
        }
        .comment-form label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2c3e50;
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1.2rem;
            border: 2px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.3s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #3498db;
            outline: none;
        }
        .comment-form button {
            background-color: #9b59b6;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .comment-form button:hover {
            background-color: #8e44ad;
        }
        footer {
            background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            color: #f1c40f;
            margin-bottom: 1rem;
        }
        .footer-links h4,
        .footer-legal h4 {
            font-size: 1.3rem;
            color: #f1c40f;
            margin-bottom: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links a {
            color: #bdc3c7;
            display: block;
            padding: 0.4rem 0;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-links a:hover {
            color: #f1c40f;
            padding-left: 8px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1rem;
            margin: 0.5rem 0;
            border-radius: 5px;
            border-left: 4px solid #f1c40f;
            transition: background 0.3s;
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #2c3e50;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                border-top: 2px solid #f1c40f;
            }
            .main-nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article, .comment-section, aside {
                padding: 1.5rem;
            }
            .main-nav a {
                padding: 0.8rem;
            }
        }