* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-red: #e30613;
            --primary-blue: #1a5fce;
            --dark-bg: #0f1419;
            --light-bg: #f8f9fa;
            --text-light: #e1e7ed;
            --text-dark: #2c3e50;
            --accent-gold: #f9c80e;
            --gray-border: #3a4553;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        body {
            background-color: var(--dark-bg);
            color: var(--text-light);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
            border-bottom: 3px solid var(--primary-red);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, var(--primary-red), var(--accent-gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(227, 6, 19, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            background-color: rgba(58, 69, 83, 0.4);
            padding: 12px 20px;
            border-radius: 6px;
            margin-top: 15px;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--accent-gold);
        }
        .search-container {
            margin: 30px 0;
            padding: 20px;
            background: rgba(255,255,255,0.05);
            border-radius: 10px;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid var(--gray-border);
            border-radius: 8px 0 0 8px;
            background: var(--dark-bg);
            color: var(--text-light);
            font-size: 1.1rem;
        }
        .search-btn {
            background: var(--primary-red);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #c10510;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        .article-content {
            background: rgba(255,255,255,0.03);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .sidebar {
            background: rgba(255,255,255,0.03);
            border-radius: 12px;
            padding: 25px;
            align-self: start;
            position: sticky;
            top: 140px;
        }
        h1 {
            font-size: 3.2rem;
            color: var(--accent-gold);
            margin-bottom: 25px;
            line-height: 1.2;
            text-shadow: 2px 2px 0 var(--primary-red);
        }
        h2 {
            font-size: 2.4rem;
            color: var(--primary-blue);
            margin: 45px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--gray-border);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--text-light);
            margin: 35px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(249, 200, 14, 0.15);
            border-left: 5px solid var(--accent-gold);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 30px auto;
            display: block;
            border: 3px solid var(--primary-red);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            transition: var(--transition);
        }
        .article-img:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(227, 6, 19, 0.4);
        }
        .link-list {
            background: rgba(26, 95, 206, 0.1);
            padding: 25px;
            border-radius: 10px;
            margin: 35px 0;
        }
        .link-list ul {
            columns: 2;
            list-style-position: inside;
        }
        .link-list li {
            margin-bottom: 10px;
            break-inside: avoid;
        }
        .user-interaction {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid var(--gray-border);
        }
        .interaction-form {
            background: rgba(255,255,255,0.05);
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--gray-border);
            border-radius: 6px;
            background: rgba(255,255,255,0.08);
            color: var(--text-light);
            font-size: 1rem;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
            font-size: 2rem;
            margin: 10px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: var(--gray-border);
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-gold);
        }
        .submit-btn {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
        }
        .submit-btn:hover {
            background: #144a9e;
            transform: translateY(-3px);
        }
        .site-footer {
            background: #0a0e13;
            margin-top: 60px;
            padding: 40px 0 20px;
            border-top: 3px solid var(--primary-red);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--text-light);
            font-size: 1.3rem;
            margin-bottom: 20px;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            margin-bottom: 10px;
            text-align: center;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--gray-border);
            font-size: 0.95rem;
            color: #aaa;
        }
        .update-time {
            background: rgba(249, 200, 14, 0.1);
            padding: 10px 20px;
            border-radius: 6px;
            display: inline-block;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark-bg);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.5);
            }
            .main-nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            .link-list ul {
                columns: 1;
            }
        }
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 8px;
                margin-bottom: 10px;
            }
            .search-btn {
                border-radius: 8px;
                padding: 15px;
            }
        }