*{margin:0;padding:0;box-sizing:border-box}:root{--piwu-purple: #3A2F47;--piwu-green: #7CB342;--piwu-white: #FFFFFF;--piwu-black: #000000;--piwu-gray: #F5F5F5;--piwu-dark-gray: #666666}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;color:var(--piwu-black);background-color:var(--piwu-white);overflow-x:hidden;width:100%;position:relative}html{scroll-behavior:smooth;overflow-x:hidden;width:100%;position:relative}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:12px 24px;border:none;border-radius:8px;font-weight:600;text-decoration:none;cursor:pointer;transition:all .3s 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