/* 通用样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Microsoft YaHei', sans-serif; min-height: 100vh; color: #fff; background: linear-gradient(135deg, #12c2e9 0%, #c471ed 50%, #f64f59 100%); }
.container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }
.hero { text-align: center; padding: 80px 20px; }
.logo, .icon { font-size: 72px; margin-bottom: 20px; }
h1 { font-size: 48px; margin-bottom: 20px; }
.subtitle { font-size: 20px; opacity: 0.9; margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }
.download-btn { display: inline-block; padding: 16px 48px; background: #fff; text-decoration: none; border-radius: 50px; font-size: 18px; font-weight: bold; transition: transform 0.3s, box-shadow 0.3s; }
.download-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-top: 60px; }
.feature-card { background: rgba(255,255,255,0.15); border-radius: 16px; padding: 30px; border: 1px solid rgba(255,255,255,0.25); transition: transform 0.3s; }
.feature-card:hover { transform: translateY(-5px); }
.feature-icon { font-size: 40px; margin-bottom: 15px; }
.feature-card h3 { font-size: 20px; margin-bottom: 10px; }
.feature-card p { opacity: 0.9; line-height: 1.6; }
.stats { display: flex; justify-content: center; gap: 60px; margin-top: 60px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-number { font-size: 42px; font-weight: bold; }
.stat-label { opacity: 0.9; margin-top: 5px; }
nav { padding: 20px; text-align: center; }
nav a { color: rgba(255,255,255,0.9); text-decoration: none; margin: 0 15px; transition: color 0.3s; }
nav a:hover { color: #fff; }
.download-page { display: flex; align-items: center; justify-content: center; }
.download-page .container { text-align: center; padding: 40px; max-width: 600px; }
.download-page .icon { font-size: 80px; margin-bottom: 20px; }
.download-page h1 { font-size: 36px; margin-bottom: 15px; }
.download-page .version { opacity: 0.9; margin-bottom: 30px; font-size: 16px; }
.download-page .info { background: rgba(255,255,255,0.15); border-radius: 16px; padding: 30px; margin-bottom: 30px; border: 1px solid rgba(255,255,255,0.25); }
.download-page .info p { margin: 10px 0; opacity: 0.9; }
.download-page .download-btn { padding: 18px 60px; font-size: 20px; }
.download-page .back-link { margin-top: 30px; }
.download-page .back-link a { opacity: 0.9; text-decoration: none; transition: color 0.3s; }
.download-page .back-link a:hover { color: #fff; }