* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-weight: 800; line-height: 1.2; margin-bottom: 1rem; color: #1e1e2d; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.8rem); text-align: center; margin-top: 1.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); border-left: 5px solid #e10600; padding-left: 15px; margin-top: 2.5rem; }
        h3 { font-size: clamp(1.5rem, 3vw, 2rem); color: #444; margin-top: 2rem; }
        h4 { font-size: 1.3rem; color: #666; }
        p { margin-bottom: 1.2rem; font-size: 1.1rem; }
        a { color: #e10600; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #9b0000; text-decoration: underline; }
        strong { color: #1e1e2d; }
        em { font-style: italic; color: #555; }
        .intro { font-size: 1.3rem; font-weight: 500; color: #444; text-align: center; max-width: 900px; margin: 1rem auto 3rem; }
        .highlight { background-color: rgba(225, 6, 0, 0.08); padding: 0.2rem 0.5rem; border-radius: 4px; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(to right, #1e1e2d, #2d2d44);
            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: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo span:first-child { color: #e10600; }
        .my-logo span:last-child {
            background: #e10600;
            color: white;
            padding: 2px 10px;
            border-radius: 5px;
            margin-left: 8px;
            font-size: 1.8rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li { margin-left: 2rem; }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active { border-bottom-color: #e10600; text-decoration: none; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: #2d2d44;
                flex-direction: column;
                align-items: center;
                padding: 2rem;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul { flex-direction: column; width: 100%; }
            .main-nav li { margin: 1rem 0; width: 100%; text-align: center; }
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #666;
        }
        .breadcrumb a { color: #666; }
        .breadcrumb a:hover { color: #e10600; }
        .breadcrumb i { margin: 0 8px; }
        main { flex: 1; padding-bottom: 3rem; }
        .article-img {
            width: 100%;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            margin: 2.5rem 0;
        }
        .info-box {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            margin: 2.5rem 0;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
            border-top: 5px solid #e10600;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 1.5rem 0;
        }
        .link-list a {
            background: #f1f5f9;
            padding: 10px 20px;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
        }
        .link-list a:hover { background: #e10600; color: white; text-decoration: none; }
        .sidebar { background: white; border-radius: 12px; padding: 2rem; box-shadow: 0 8px 25px rgba(0,0,0,0.06); align-self: start; }
        .widget { margin-bottom: 2.5rem; }
        .widget h3 { font-size: 1.5rem; border-left: none; padding-left: 0; border-bottom: 2px solid #eee; padding-bottom: 10px; }
        .update-time { font-size: 0.9rem; color: #888; text-align: right; margin-top: 2rem; }
        .form-group { margin-bottom: 1.5rem; }
        .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        .form-control {
            width: 100%;
            padding: 14px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus { outline: none; border-color: #e10600; }
        .btn {
            background: #e10600;
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover { background: #9b0000; transform: translateY(-2px); text-decoration: none; }
        .rating-widget { text-align: center; }
        .stars { font-size: 2rem; margin: 1rem 0; color: #ffc107; }
        .stars i { cursor: pointer; transition: color 0.2s; margin: 0 3px; }
        .stars i:hover,
        .stars i.active { color: #ff9800; }
        .comment { background: #f9f9f9; border-radius: 10px; padding: 1.5rem; margin-bottom: 1.5rem; }
        .comment-header { display: flex; justify-content: space-between; margin-bottom: 0.8rem; color: #666; font-size: 0.95rem; }
        .comment-body { font-size: 1.05rem; }
        .site-footer {
            background: #1e1e2d;
            color: #ccc;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-col { flex: 1; min-width: 250px; }
        .footer-col h3 { color: white; border-left: none; padding-left: 0; font-size: 1.5rem; }
        friend-link {
            display: block;
            padding: 0.8rem 0;
            border-bottom: 1px solid #333;
            color: #ccc;
            text-decoration: none;
        }
        friend-link:hover { color: #e10600; text-decoration: underline; }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #999;
        }