
    body { margin: 0; background: #f3f4f6; overflow-x: hidden; }
    #page-container { position: relative; margin: 0 auto; padding: 0; overflow: visible; max-width: 100%; }
    .scieee-lazy-chunk { display: block; width: 100%; max-width: 100%; margin: 0 auto 24px auto; overflow-x: hidden; overflow-y: visible; box-sizing: border-box; }
    .scieee-lazy-chunk-content { width: 100%; max-width: 100%; overflow-x: hidden; box-sizing: border-box; }
    .scieee-lazy-chunk style { display: none !important; }
    .scieee-lazy-placeholder { width: 100%; max-width: 900px; margin: 12px auto; padding: 18px; box-sizing: border-box; background: #fff; color: #6b7280; border: 1px solid #e5e7eb; font: 13px system-ui, sans-serif; text-align: center; }
    .scieee-lazy-chunk.is-loaded { min-height: 0 !important; }
    .scieee-lazy-chunk.is-loaded > .scieee-lazy-placeholder { display: none; }
    .pf { margin-left: auto !important; margin-right: auto !important; }
  



/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab filetype=css: */
/*! 
 * Base CSS for pdf2htmlEX
 * Copyright 2012,2013 Lu Wang <coolwanglu@gmail.com> 
 * https://github.com/pdf2htmlEX/pdf2htmlEX/blob/master/share/LICENSE
 */
/* Part 1: Web Page Layout: Free to modify, except for a few of them which are required by pdf2htmlEX.js, see the comments */
#sidebar { /* Sidebar */
  position:absolute;
  top:0;
  left:0;
  bottom:0;
  width:250px;
  padding:0;
  margin:0px;
  overflow:auto;
}
#page-container { /* PDF container */
  position:absolute; /* required for calculating relative positions of pages in pdf2htmlEX.js */
  top:0;
  left:0px;
  margin:0; 
  padding:0;
  border:0; /* required for lazy page loading in pdf2htmlEX.js (page visibility test) */
}
@media screen {
  /* for sidebar */
  #sidebar.opened + #page-container { left:250px; }
  #page-container {
    /* `bottom' and `right' are required for lazy page loading in pdf2htmlEX.js (page visibility test)
     * alternatively you may set width and height
     */
    bottom:0;
    right:0;
    overflow:auto;
  }
  .loading-indicator {
    display:none;
  }
  .loading-indicator.active {
    display:block;
    position:absolute;
    width:64px;
    height:64px;
    top:50%;
    left:50%;
    margin-top:-32px;
    margin-left:-32px;
  }
  .loading-indicator img {
    position:absolute;
    top:0;
    left:0;
    bottom:0;
    right:0;
  }
}
@media print { 
  @page { margin:0; }
  html { margin:0; }
  body { 
    margin:0; 
    -webkit-print-color-adjust:exact; /* enable printing background images for WebKit */
  }
  #sidebar { display:none; }
  #page-container {
    width:auto;
    height:auto;
    overflow:visible;
    background-color:transparent;
  }
  .d { display:none; }
}
/* Part 2: Page Elements: Modify with caution
 * The followings are base classes, some of which are meant to be override by PDF specific classes
 * So do not increase the specificity (e.g. ".classname" -> "#page-container .classname")
 */
.pf { /* page */
  position:relative;
  background-color:white;
  overflow: hidden;
  margin:0; 
  border:0; /* required by pdf2htmlEX.js for page visibility test */
}
.pc { /* content of a page */
  position:absolute;
  border:0;
  padding:0;
  margin:0;
  top:0;
  left:0;
  width:100%;
  height:100%;
  overflow:hidden;
  display:block;
  /* set transform-origin for scaling */
  transform-origin:0% 0%;
  -ms-transform-origin:0% 0%;
  -webkit-transform-origin:0% 0%;
}
.pc.opened { /* used by pdf2htmlEX.js, to show/hide pages */
  display:block;
}
.bf { /* images that occupies the whole page */
  position:absolute;
  border:0;
  margin:0;
  top:0;
  bottom:0;
  width:100%;
  height:100%;
  -ms-user-select:none;
  -moz-user-select:none;
  -webkit-user-select:none;
  user-select:none;
}
.bi { /* images that cover only a part of the page */
  position:absolute;
  border:0;
  margin:0;
  -ms-user-select:none;
  -moz-user-select:none;
  -webkit-user-select:none;
  user-select:none;
}
@media print {
  .pf {
    margin:0;
    box-shadow:none;
    page-break-after:always;
    page-break-inside:avoid;
  }
  @-moz-document url-prefix() {
    /* fix page truncation for FireFox */
    .pf {
      overflow:visible;
      border:1px solid #FFFFFF;
    }
    .pc {overflow:visible;}
  }
}
.c { /* clip box */
  position:absolute;
  border:0;
  padding:0;
  margin:0;
  overflow:hidden;
  display:block;
}
.t { /* text line */
  position:absolute;
  white-space:pre;
  font-size:1px;
  transform-origin:0% 100%;
  -ms-transform-origin:0% 100%;
  -webkit-transform-origin:0% 100%;
  unicode-bidi:bidi-override;/* For rtl languages, e.g. Hebrew, we don't want the default Unicode behaviour */
  -moz-font-feature-settings:"liga" 0;/* We don't want Firefox to recognize ligatures */
}
.t:after { /* webkit #35443 */
  content: '';
}
.t:before { /* Workaround Blink(up to 41)/Webkit bug of word-spacing with leading spaces (chromium #404444 and pdf2htmlEX #412) */
  content: '';
  display: inline-block;
}
.t span { /* text blocks within a line */
  /* Blink(up to 41)/Webkit have bug with negative word-spacing and inline-block (pdf2htmlEX #416), so keep normal span inline. */
  position:relative;
  unicode-bidi:bidi-override; /* For rtl languages, e.g. Hebrew, we don't want the default Unicode behaviour */
}
._ { /* text shift */
  /* Blink(up to 41)/Webkit have bug with inline element, continuous spaces and word-spacing. Workaround by inline-block. */
  display: inline-block;
  color: transparent;
  z-index: -1;
}
/* selection background should not be opaque, for fallback mode */
::selection{
  background: rgba(127,255,255,0.4);
}
::-moz-selection{
  background: rgba(127,255,255,0.4);
}
.pi { /* info for Javascript */
  display:none;
}
.l { /* annotation links */
}
/* transparent color - WebKit */
.d { /* css drawing */
  position:absolute;
  transform-origin:0% 100%;
  -ms-transform-origin:0% 100%;
  -webkit-transform-origin:0% 100%;
}
/* for the forms */
.it {
  border: none;
  background-color: rgba(255, 255, 255, 0.0);
}

.ir:hover {
  cursor: pointer;
}

/* Base CSS END */





/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab filetype=css: */
/*! 
 * Fancy styles for pdf2htmlEX
 * Copyright 2012,2013 Lu Wang <coolwanglu@gmail.com> 
 * https://github.com/pdf2htmlEX/pdf2htmlEX/blob/master/share/LICENSE
 */
@keyframes fadein { from { opacity:0;} to { opacity:1;} }
@-webkit-keyframes fadein { from { opacity:0;} to { opacity:1;} }
@keyframes swing {
  0%  { transform: rotate(0deg); }
  10% { transform: rotate(0deg); }
  90% { transform: rotate(720deg); }
  100%{ transform: rotate(720deg); }
}
@-webkit-keyframes swing {
  0%  { -webkit-transform: rotate(0deg); }
  10% { -webkit-transform: rotate(0deg); }
  90% { -webkit-transform: rotate(720deg); }
  100%{ -webkit-transform: rotate(720deg); }
}
@media screen { 
  #sidebar {
    background-color:#2f3236;
    /* modified from http://philbit.com/svgpatterns/#crossstripes */
    background-image:url("scieee-document-assets/asset_278c76fec4fbf2399910664b.svg");
  }
  #outline {
    font-family:Georgia,Times,"Times New Roman",serif;
    font-size:13px;
    margin:2em 1em;
  }
  #outline ul {
    padding:0;
  }
  #outline li {
    list-style-type:none;
    margin:1em 0;
  }
  #outline li > ul {
    margin-left: 1em;
  }
  #outline a,
  #outline a:visited,
  #outline a:hover,
  #outline a:active {
    line-height:1.2;
    color:#e8e8e8;
    text-overflow:ellipsis;
    white-space:nowrap;
    text-decoration:none;
    display:block;
    overflow:hidden;
    outline:0;
  }
  #outline a:hover {
    color:rgb(0,204,255);
  }
  #page-container {
    background-color:#9e9e9e;
    /* http://philbit.com/svgpatterns/#thinstripes */
    background-image: url("scieee-document-assets/asset_c60347c0de373fe817019620.svg");
    -webkit-transition:left 500ms;
    transition:left 500ms;
  }
  .pf {
    margin: 13px auto;
    box-shadow: 1px 1px 3px 1px #333;
    /* Needed by IE to make box-shadow works * https://developer.mozilla.org/en-US/docs/Web/CSS/box-shadow */
    border-collapse: separate;
  }
  .pc.opened { /* used by pdf2htmlEX.js, to show/hide pages */
    -webkit-animation: fadein 100ms;
    animation: fadein 100ms; 
  }
  .loading-indicator.active {
    /* 
     * use 0.01s instead of 0s,
     * since YUI Compressor will change 0s to 0,
     * which is not recognized by Firefox
     */
    -webkit-animation: swing 1.5s ease-in-out 0.01s infinite alternate none;
    animation: swing 1.5s ease-in-out 0.01s infinite alternate none;
  }
  .checked {
    background: no-repeat url(scieee-document-assets/asset_58a067f15ffcfc2435a4b346.png);
  }
}
/* Fancy CSS END */





.ff0{font-family:sans-serif;visibility:hidden;}
@font-face{font-family:ff1;src:url('chunks/assets/font_e8ad649b4bcdfbbcf8bd3e6c.woff')format("woff");}.ff1{font-family:ff1;line-height:1.085000;font-style:normal;font-weight:normal;visibility:visible;font-variant-ligatures:none;font-feature-settings: "liga" 0, "clig" 0, "dlig" 0, "hlig" 0, "calt" 0;}
@font-face{font-family:ff2;src:url('chunks/assets/font_e072c692cbe069d574bdf5b9.woff')format("woff");}.ff2{font-family:ff2;line-height:1.067000;font-style:normal;font-weight:normal;visibility:visible;font-variant-ligatures:none;font-feature-settings: "liga" 0, "clig" 0, "dlig" 0, "hlig" 0, "calt" 0;}
.ff3{font-family:sans-serif;visibility:hidden;}
@font-face{font-family:ff4;src:url('chunks/assets/font_c7a1ecca5eb609958b1b92e7.woff')format("woff");}.ff4{font-family:ff4;line-height:0.992000;font-style:normal;font-weight:normal;visibility:visible;font-variant-ligatures:none;font-feature-settings: "liga" 0, "clig" 0, "dlig" 0, "hlig" 0, "calt" 0;}
.ff5{font-family:sans-serif;visibility:hidden;}
.ff6{font-family:sans-serif;visibility:hidden;}
.ff7{font-family:sans-serif;visibility:hidden;}
.m0{transform:matrix(0.250000,0.000000,0.000000,0.250000,0,0);-ms-transform:matrix(0.250000,0.000000,0.000000,0.250000,0,0);-webkit-transform:matrix(0.250000,0.000000,0.000000,0.250000,0,0);}
.m1{transform:matrix(1.500000,0.000000,0.000000,1.500000,0,0);-ms-transform:matrix(1.500000,0.000000,0.000000,1.500000,0,0);-webkit-transform:matrix(1.500000,0.000000,0.000000,1.500000,0,0);}
.v0{vertical-align:0.000000px;}
.ls1{letter-spacing:0.000000px;}
.ls0{letter-spacing:0.062917px;}
.sc_{text-shadow:none;}
.sc0{text-shadow:-0.015em 0 transparent,0 0.015em transparent,0.015em 0 transparent,0 -0.015em  transparent;}
@media screen and (-webkit-min-device-pixel-ratio:0){
.sc_{-webkit-text-stroke:0px transparent;}
.sc0{-webkit-text-stroke:0.015em transparent;text-shadow:none;}
}
.ws2{word-spacing:-25.427204px;}
.ws3{word-spacing:-20.044969px;}
.ws0{word-spacing:-17.167658px;}
.ws1{word-spacing:-13.823044px;}
.ws4{word-spacing:0.000000px;}
._2{margin-left:-3526.175755px;}
._8{margin-left:-10.909459px;}
._5{margin-left:-7.477094px;}
._7{margin-left:-6.164577px;}
._6{margin-left:-4.582762px;}
._4{margin-left:-2.965562px;}
._0{margin-left:-1.842937px;}
._1{width:1.392809px;}
._3{width:4190.515149px;}
.fc1{color:transparent;}
.fc0{color:rgb(0,0,0);}
.fs2{font-size:59.969821px;}
.fs7{font-size:65.953306px;}
.fs0{font-size:78.685085px;}
.fs1{font-size:80.979517px;}
.fs6{font-size:86.962990px;}
.fs5{font-size:95.960713px;}
.fs4{font-size:119.939644px;}
.fs3{font-size:281.898652px;}
.y0{bottom:0.000000px;}
.y1{bottom:0.135021px;}
.y16{bottom:5.895840px;}
.y4b{bottom:16.262207px;}
.y15{bottom:34.013728px;}
.y4a{bottom:36.507083px;}
.y14{bottom:62.131616px;}
.y19{bottom:64.250025px;}
.y18{bottom:84.494901px;}
.y13{bottom:90.249504px;}
.y17{bottom:108.488792px;}
.y12{bottom:118.367392px;}
.y11{bottom:146.485280px;}
.y49{bottom:150.864532px;}
.y1e{bottom:161.083743px;}
.y48{bottom:171.109408px;}
.y10{bottom:174.603168px;}
.y1d{bottom:181.328619px;}
.y47{bottom:191.354284px;}
.y1c{bottom:201.573495px;}
.yf{bottom:202.721056px;}
.y46{bottom:211.599160px;}
.y1b{bottom:221.818371px;}
.ye{bottom:230.838944px;}
.y45{bottom:240.191427px;}
.y1f{bottom:257.999366px;}
.yd{bottom:258.956832px;}
.yc{bottom:287.074720px;}
.y44{bottom:312.800196px;}
.yb{bottom:315.192608px;}
.y43{bottom:336.364821px;}
.ya{bottom:343.310496px;}
.y3{bottom:356.895006px;}
.y42{bottom:366.732135px;}
.y9{bottom:371.428383px;}
.y41{bottom:397.099449px;}
.y8{bottom:399.546271px;}
.y40{bottom:427.466763px;}
.y7{bottom:427.664159px;}
.y6{bottom:455.782047px;}
.y3f{bottom:457.834077px;}
.y2f{bottom:466.349982px;}
.y5{bottom:483.899935px;}
.y3e{bottom:488.201391px;}
.y2e{bottom:496.717297px;}
.y4{bottom:512.017823px;}
.y3d{bottom:518.568705px;}
.y2d{bottom:527.084611px;}
.y3c{bottom:548.936019px;}
.y2c{bottom:557.451925px;}
.y3b{bottom:579.303333px;}
.y2b{bottom:587.819239px;}
.y3a{bottom:609.670648px;}
.y2a{bottom:618.186553px;}
.y39{bottom:640.037962px;}
.y29{bottom:648.553867px;}
.y38{bottom:670.405276px;}
.y28{bottom:678.921181px;}
.y37{bottom:700.772590px;}
.y27{bottom:709.288495px;}
.y36{bottom:731.139904px;}
.y26{bottom:739.655809px;}
.y35{bottom:761.507218px;}
.y25{bottom:770.023124px;}
.y34{bottom:791.874532px;}
.y24{bottom:800.390438px;}
.y33{bottom:822.241846px;}
.y23{bottom:830.757752px;}
.y32{bottom:852.609160px;}
.y22{bottom:861.125066px;}
.y31{bottom:882.976475px;}
.y2{bottom:933.927351px;}
.y21{bottom:1023.281457px;}
.y20{bottom:1055.898202px;}
.y1a{bottom:1129.304653px;}
.y30{bottom:1223.622005px;}
.h9{height:53.732960px;}
.h8{height:54.812417px;}
.h11{height:56.971330px;}
.hf{height:59.094163px;}
.h3{height:71.918168px;}
.h6{height:72.557647px;}
.h5{height:74.015279px;}
.h7{height:76.930541px;}
.hd{height:77.918839px;}
.h10{height:79.484173px;}
.he{height:82.614840px;}
.hc{height:85.980798px;}
.hb{height:109.624834px;}
.ha{height:257.655368px;}
.h4{height:530.279978px;}
.h1{height:1263.000000px;}
.h2{height:1263.239947px;}
.h0{height:1263.374968px;}
.w3{width:747.359969px;}
.w2{width:1785.374926px;}
.w0{width:1785.375000px;}
.w1{width:1785.750000px;}
.x0{left:0.000000px;}
.xa{left:13.749168px;}
.xb{left:14.795977px;}
.x3{left:34.744788px;}
.xe{left:64.014801px;}
.x8{left:276.435614px;}
.x9{left:296.680373px;}
.xd{left:313.058197px;}
.x4{left:323.813687px;}
.xc{left:338.847582px;}
.x5{left:344.058443px;}
.x6{left:414.136514px;}
.x2{left:429.119982px;}
.x7{left:434.381258px;}
.xf{left:525.012626px;}
.x12{left:585.437671px;}
.x1{left:634.496446px;}
.x13{left:680.089496px;}
.x14{left:695.079843px;}
.x15{left:807.498655px;}
.x16{left:822.489007px;}
.x17{left:919.952621px;}
.x18{left:934.942962px;}
.x19{left:996.548862px;}
.x1a{left:1000.816734px;}
.x10{left:1243.088660px;}
.x11{left:1280.046103px;}
@media print{
.v0{vertical-align:0.000000pt;}
.ls1{letter-spacing:0.000000pt;}
.ls0{letter-spacing:0.055926pt;}
.ws2{word-spacing:-22.601959pt;}
.ws3{word-spacing:-17.817750pt;}
.ws0{word-spacing:-15.260140pt;}
.ws1{word-spacing:-12.287150pt;}
.ws4{word-spacing:0.000000pt;}
._2{margin-left:-3134.378449pt;}
._8{margin-left:-9.697297pt;}
._5{margin-left:-6.646305pt;}
._7{margin-left:-5.479624pt;}
._6{margin-left:-4.073566pt;}
._4{margin-left:-2.636055pt;}
._0{margin-left:-1.638167pt;}
._1{width:1.238052pt;}
._3{width:3724.902355pt;}
.fs2{font-size:53.306508pt;}
.fs7{font-size:58.625161pt;}
.fs0{font-size:69.942298pt;}
.fs1{font-size:71.981793pt;}
.fs6{font-size:77.300435pt;}
.fs5{font-size:85.298411pt;}
.fs4{font-size:106.613016pt;}
.fs3{font-size:250.576580pt;}
.y0{bottom:0.000000pt;}
.y1{bottom:0.120018pt;}
.y16{bottom:5.240747pt;}
.y4b{bottom:14.455295pt;}
.y15{bottom:30.234425pt;}
.y4a{bottom:32.450741pt;}
.y14{bottom:55.228103pt;}
.y19{bottom:57.111133pt;}
.y18{bottom:75.106579pt;}
.y13{bottom:80.221782pt;}
.y17{bottom:96.434482pt;}
.y12{bottom:105.215460pt;}
.y11{bottom:130.209138pt;}
.y49{bottom:134.101806pt;}
.y1e{bottom:143.185549pt;}
.y48{bottom:152.097251pt;}
.y10{bottom:155.202816pt;}
.y1d{bottom:161.180995pt;}
.y47{bottom:170.092697pt;}
.y1c{bottom:179.176440pt;}
.yf{bottom:180.196494pt;}
.y46{bottom:188.088142pt;}
.y1b{bottom:197.171886pt;}
.ye{bottom:205.190172pt;}
.y45{bottom:213.503491pt;}
.y1f{bottom:229.332770pt;}
.yd{bottom:230.183850pt;}
.yc{bottom:255.177529pt;}
.y44{bottom:278.044618pt;}
.yb{bottom:280.171207pt;}
.y43{bottom:298.990952pt;}
.ya{bottom:305.164885pt;}
.y3{bottom:317.240005pt;}
.y42{bottom:325.984120pt;}
.y9{bottom:330.158563pt;}
.y41{bottom:352.977288pt;}
.y8{bottom:355.152241pt;}
.y40{bottom:379.970456pt;}
.y7{bottom:380.145919pt;}
.y6{bottom:405.139598pt;}
.y3f{bottom:406.963624pt;}
.y2f{bottom:414.533318pt;}
.y5{bottom:430.133276pt;}
.y3e{bottom:433.956792pt;}
.y2e{bottom:441.526486pt;}
.y4{bottom:455.126954pt;}
.y3d{bottom:460.949960pt;}
.y2d{bottom:468.519654pt;}
.y3c{bottom:487.943128pt;}
.y2c{bottom:495.512822pt;}
.y3b{bottom:514.936296pt;}
.y2b{bottom:522.505990pt;}
.y3a{bottom:541.929465pt;}
.y2a{bottom:549.499158pt;}
.y39{bottom:568.922633pt;}
.y29{bottom:576.492326pt;}
.y38{bottom:595.915801pt;}
.y28{bottom:603.485494pt;}
.y37{bottom:622.908969pt;}
.y27{bottom:630.478662pt;}
.y36{bottom:649.902137pt;}
.y26{bottom:657.471831pt;}
.y35{bottom:676.895305pt;}
.y25{bottom:684.464999pt;}
.y34{bottom:703.888473pt;}
.y24{bottom:711.458167pt;}
.y33{bottom:730.881641pt;}
.y23{bottom:738.451335pt;}
.y32{bottom:757.874809pt;}
.y22{bottom:765.444503pt;}
.y31{bottom:784.867977pt;}
.y2{bottom:830.157646pt;}
.y21{bottom:909.583517pt;}
.y20{bottom:938.576180pt;}
.y1a{bottom:1003.826358pt;}
.y30{bottom:1087.664004pt;}
.h9{height:47.762631pt;}
.h8{height:48.722148pt;}
.h11{height:50.641182pt;}
.hf{height:52.528145pt;}
.h3{height:63.927260pt;}
.h6{height:64.495687pt;}
.h5{height:65.791359pt;}
.h7{height:68.382703pt;}
.hd{height:69.261190pt;}
.h10{height:70.652598pt;}
.he{height:73.435414pt;}
.hc{height:76.427376pt;}
.hb{height:97.444297pt;}
.ha{height:229.026994pt;}
.h4{height:471.359980pt;}
.h1{height:1122.666667pt;}
.h2{height:1122.879953pt;}
.h0{height:1122.999972pt;}
.w3{width:664.319972pt;}
.w2{width:1586.999934pt;}
.w0{width:1587.000000pt;}
.w1{width:1587.333333pt;}
.x0{left:0.000000pt;}
.xa{left:12.221483pt;}
.xb{left:13.151979pt;}
.x3{left:30.884256pt;}
.xe{left:56.902046pt;}
.x8{left:245.720546pt;}
.x9{left:263.715887pt;}
.xd{left:278.273953pt;}
.x4{left:287.834388pt;}
.xc{left:301.197850pt;}
.x5{left:305.829727pt;}
.x6{left:368.121346pt;}
.x2{left:381.439984pt;}
.x7{left:386.116674pt;}
.xf{left:466.677890pt;}
.x12{left:520.389041pt;}
.x1{left:563.996841pt;}
.x13{left:604.523996pt;}
.x14{left:617.848749pt;}
.x15{left:717.776582pt;}
.x16{left:731.101340pt;}
.x17{left:817.735663pt;}
.x18{left:831.060411pt;}
.x19{left:885.821211pt;}
.x1a{left:889.614875pt;}
.x10{left:1104.967698pt;}
.x11{left:1137.818758pt;}
}




    .paper-inline-ad { box-sizing: border-box; margin: 13px auto; max-width: 100%; min-height: 120px; background: #fff; border: 1px solid #e5e7eb; overflow: hidden; }
    .paper-inline-ad-label { padding: 6px 10px 0 10px; font: 10px system-ui, sans-serif; color: #9ca3af; text-transform: uppercase; letter-spacing: .04em; }
    .paper-inline-ad-slot { min-height: 100px; }
    .paper-inline-ad--internal { padding: 0; }
    .paper-internal-promo { padding: 14px 16px 16px 16px; font: 13px system-ui, sans-serif; line-height: 1.45; color: #374151; }
    .paper-internal-promo-title { font-size: 17px; font-weight: 800; color: #111827; margin-bottom: 7px; }
    .paper-internal-promo-body { margin-bottom: 12px; }
    .paper-internal-promo-actions { display: flex; flex-wrap: wrap; gap: 8px; }
    .paper-internal-promo-actions a { display: inline-block; padding: 7px 10px; border: 1px solid #d1d5db; border-radius: 8px; text-decoration: none; color: #111827; background: #f9fafb; font-weight: 700; }
  