*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#333;background:#f5f6f8}a{color:inherit}.container{max-width:1200px;margin:0 auto;padding:0 16px}.section-title{font-size:22px;font-weight:600;margin:24px 0 16px}.text-muted{color:#999}.pointer{cursor:pointer}