:root {
            --color-gris: #5d6d7e;
            --color-red: #e74c3c;
            --color-green: #27ae60;
            --color-blue: #3498db;
            --color-yellow: #f1c40f;
            --color-bg: #0a0a0f;
            --color-text: #e0e0e0;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif; }
        body { background: var(--color-bg); color: var(--color-text); line-height: 1.6; overflow-x: hidden; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        /* 导航 */
        header { position: fixed; top: 0; width: 100%; z-index: 1000; background: rgba(10, 10, 15, 0.95); backdrop-filter: blur(10px); padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
        .nav-content { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-size: 28px; font-weight: 800; background: linear-gradient(90deg, var(--color-red), var(--color-yellow)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .nav-links a { color: #ccc; text-decoration: none; margin-left: 30px; transition: var(--transition); font-weight: 500; }
        .nav-links a:hover { color: var(--color-blue); }
        
        /* 英雄区 */
        .hero { padding: 180px 0 100px; text-align: center; background: radial-gradient(circle at 20% 50%, rgba(93, 109, 126, 0.1) 0%, transparent 50%); }
        .hero h1 { font-size: 4rem; margin-bottom: 20px; background: linear-gradient(90deg, #fff, var(--color-yellow)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .hero-tag { display: inline-block; background: rgba(52, 152, 219, 0.2); color: var(--color-blue); padding: 8px 20px; border-radius: 30px; margin: 20px 0; font-size: 1.1rem; }
        .hero p { max-width: 700px; margin: 0 auto 40px; font-size: 1.2rem; color: #aaa; }
        .btn-hero { display: inline-block; background: linear-gradient(90deg, var(--color-blue), var(--color-green)); color: white; padding: 18px 45px; border-radius: 50px; text-decoration: none; font-size: 1.2rem; font-weight: bold; transition: var(--transition); box-shadow: 0 10px 30px rgba(52, 152, 219, 0.3); }
        .btn-hero:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(52, 152, 219, 0.4); }
        
        /* 游戏介绍 */
        .section { padding: 100px 0; }
        .section-title { text-align: center; font-size: 2.8rem; margin-bottom: 20px; color: #fff; }
        .section-subtitle { text-align: center; color: var(--color-blue); margin-bottom: 60px; font-size: 1.2rem; }
        .intro-content { display: flex; align-items: center; gap: 60px; }
        .intro-text { flex: 1; }
        .intro-text h3 { font-size: 1.8rem; margin-bottom: 20px; color: #fff; }
        .intro-text p { margin-bottom: 25px; color: #bbb; font-size: 1.1rem; }
        .intro-image { flex: 1; min-width: 300px; }
        .intro-image .art-placeholder { width: 100%; height: 350px; border-radius: 20px; background: linear-gradient(135deg, var(--color-gris), var(--color-blue)); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: bold; }
        
        /* 色彩与章节 */
        .colors-section { background: rgba(255,255,255,0.02); }
        .colors-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 25px; }
        .color-card { background: rgba(255,255,255,0.03); padding: 30px; border-radius: 15px; border-left: 5px solid; transition: var(--transition); }
        .color-card:hover { transform: translateY(-10px); background: rgba(255,255,255,0.05); }
        .color-card.red { border-color: var(--color-red); }
        .color-card.green { border-color: var(--color-green); }
        .color-card.blue { border-color: var(--color-blue); }
        .color-card.yellow { border-color: var(--color-yellow); }
        .color-icon { width: 50px; height: 50px; border-radius: 50%; margin-bottom: 20px; }
        .color-card.red .color-icon { background: var(--color-red); }
        .color-card.green .color-icon { background: var(--color-green); }
        .color-card.blue .color-icon { background: var(--color-blue); }
        .color-card.yellow .color-icon { background: var(--color-yellow); }
        
        /* 下载引导 */
        .download-section { text-align: center; background: radial-gradient(circle at 80% 30%, rgba(241, 196, 15, 0.05) 0%, transparent 50%); }
        .download-box { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); border-radius: 20px; padding: 50px; max-width: 900px; margin: 0 auto; }
        .platform-icons { display: flex; justify-content: center; gap: 30px; margin: 30px 0; flex-wrap: wrap; }
        .platform-icon { background: rgba(255,255,255,0.05); width: 70px; height: 70px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; transition: var(--transition); }
        .platform-icon:hover { background: rgba(52, 152, 219, 0.2); transform: scale(1.1); }
        .qr-container { display: flex; justify-content: center; gap: 50px; align-items: center; margin-top: 40px; flex-wrap: wrap; }
        .qr-code { background: #fff; width: 200px; height: 200px; border-radius: 15px; display: flex; align-items: center; justify-content: center; color: #333; font-weight: bold; padding: 15px; }
        
        /* 页脚 */
        footer { background: rgba(0,0,0,0.8); padding: 60px 0 30px; margin-top: 80px; }
        .footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; }
        .footer-col { flex: 1; min-width: 250px; }
        .footer-col h4 { color: #fff; margin-bottom: 25px; font-size: 1.3rem; }
        .footer-links a { display: block; color: #aaa; text-decoration: none; margin-bottom: 12px; transition: var(--transition); }
        .footer-links a:hover { color: var(--color-blue); padding-left: 5px; }
        .copyright { text-align: center; margin-top: 50px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); color: #777; font-size: 0.9rem; }
        
        /* 响应式 */
        @media (max-width: 992px) {
            .hero h1 { font-size: 3rem; }
            .intro-content { flex-direction: column; }
            .nav-links { display: none; }
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .section-title { font-size: 2.2rem; }
            .download-box { padding: 30px 20px; }
        }