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_1f24d74cffcd40be3f49f9d4.woff2')format("woff");}.ff1{font-family:ff1;line-height:1.237029;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_4f8c0724b4a712c1f55e469d.woff2')format("woff");}.ff2{font-family:ff2;line-height:0.666504;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:ff3;src:url('chunks/assets/font_7f7667e353d2c32ae8e130e5.woff2')format("woff");}.ff3{font-family:ff3;line-height:1.256000;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;}
.m2{transform:matrix(0.249846,0.000000,0.000000,0.250000,0,0);-ms-transform:matrix(0.249846,0.000000,0.000000,0.250000,0,0);-webkit-transform:matrix(0.249846,0.000000,0.000000,0.250000,0,0);}
.m1{transform:matrix(0.249852,0.000000,0.000000,0.250000,0,0);-ms-transform:matrix(0.249852,0.000000,0.000000,0.250000,0,0);-webkit-transform:matrix(0.249852,0.000000,0.000000,0.250000,0,0);}
.m3{transform:matrix(0.249854,0.000000,0.000000,0.250000,0,0);-ms-transform:matrix(0.249854,0.000000,0.000000,0.250000,0,0);-webkit-transform:matrix(0.249854,0.000000,0.000000,0.250000,0,0);}
.m4{transform:matrix(0.249857,0.000000,0.000000,0.250000,0,0);-ms-transform:matrix(0.249857,0.000000,0.000000,0.250000,0,0);-webkit-transform:matrix(0.249857,0.000000,0.000000,0.250000,0,0);}
.m0{transform:matrix(0.249859,0.000000,0.000000,0.250000,0,0);-ms-transform:matrix(0.249859,0.000000,0.000000,0.250000,0,0);-webkit-transform:matrix(0.249859,0.000000,0.000000,0.250000,0,0);}
.v0{vertical-align:0.000000px;}
.ls0{letter-spacing:0.000000px;}
.ls1{letter-spacing:0.116700px;}
.ls2{letter-spacing:0.233340px;}
.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;}
}
.ws1{word-spacing:-15.011994px;}
.ws0{word-spacing:0.000000px;}
._1{margin-left:-1.813139px;}
._0{width:1.123140px;}
._a{width:2.304359px;}
._b{width:3.333179px;}
._9{width:5.338498px;}
._6{width:6.464277px;}
._7{width:7.709337px;}
._c{width:8.754176px;}
._8{width:9.807476px;}
._2{width:11.348335px;}
._3{width:12.468895px;}
._d{width:13.748515px;}
._e{width:19.140532px;}
._f{width:20.215552px;}
._12{width:21.726951px;}
._14{width:30.244488px;}
._13{width:31.360907px;}
._11{width:35.291746px;}
._10{width:36.765525px;}
._5{width:95.111242px;}
._4{width:96.254421px;}
.fc5{color:rgb(30,72,124);}
.fc4{color:rgb(0,0,127);}
.fc3{color:rgb(127,127,127);}
.fc2{color:rgb(171,171,171);}
.fc1{color:rgb(0,0,0);}
.fc0{color:rgb(131,131,131);}
.fs3{font-size:48.239981px;}
.fs5{font-size:53.999978px;}
.fs2{font-size:59.759976px;}
.fs1{font-size:71.999971px;}
.fs0{font-size:84.239966px;}
.fs4{font-size:107.999957px;}
.y0{bottom:0.000000px;}
.y44{bottom:3.238971px;}
.yd{bottom:3.238995px;}
.y6{bottom:58.080427px;}
.y5{bottom:71.940421px;}
.y4{bottom:88.680415px;}
.y3{bottom:121.080402px;}
.y42{bottom:191.279923px;}
.y41{bottom:208.559917px;}
.y40{bottom:246.719901px;}
.y3f{bottom:263.999894px;}
.y3e{bottom:281.279887px;}
.y3d{bottom:298.559881px;}
.y3c{bottom:336.719865px;}
.y3b{bottom:353.999858px;}
.y3a{bottom:371.279851px;}
.y39{bottom:388.559845px;}
.y4e{bottom:390.359844px;}
.y38{bottom:405.839838px;}
.y4d{bottom:413.579835px;}
.y37{bottom:423.119831px;}
.y4c{bottom:436.979825px;}
.y36{bottom:441.659823px;}
.y4b{bottom:460.199816px;}
.y4a{bottom:483.959806px;}
.y35{bottom:486.839805px;}
.y34{bottom:510.959796px;}
.y33{bottom:555.419778px;}
.y49{bottom:568.559773px;}
.y32{bottom:576.119770px;}
.y31{bottom:596.099762px;}
.y30{bottom:634.439746px;}
.y2f{bottom:651.539739px;}
.y2e{bottom:668.819732px;}
.y2d{bottom:686.099726px;}
.y17{bottom:688.439725px;}
.y2c{bottom:703.379719px;}
.y2b{bottom:720.659712px;}
.y16{bottom:727.139709px;}
.y2a{bottom:737.939705px;}
.y29{bottom:755.039698px;}
.y15{bottom:757.199697px;}
.y28{bottom:772.319691px;}
.y14{bottom:776.819689px;}
.y27{bottom:789.599684px;}
.y13{bottom:808.139677px;}
.y26{bottom:827.939669px;}
.y12{bottom:839.099664px;}
.y25{bottom:845.039662px;}
.y24{bottom:862.319655px;}
.y23{bottom:879.599648px;}
.y11{bottom:888.599645px;}
.y22{bottom:896.699641px;}
.y48{bottom:896.879641px;}
.y10{bottom:905.699638px;}
.y47{bottom:914.159634px;}
.y46{bottom:931.259627px;}
.y21{bottom:935.039626px;}
.y45{bottom:948.539621px;}
.yf{bottom:950.519620px;}
.y20{bottom:952.319619px;}
.y1f{bottom:969.599612px;}
.ye{bottom:981.299607px;}
.y1e{bottom:986.879605px;}
.y1d{bottom:1004.159598px;}
.yc{bottom:1009.740600px;}
.yb{bottom:1012.979595px;}
.y1c{bottom:1021.259591px;}
.y1b{bottom:1038.539585px;}
.ya{bottom:1041.779583px;}
.y1a{bottom:1055.819578px;}
.y9{bottom:1062.479575px;}
.y43{bottom:1069.860600px;}
.y19{bottom:1073.099571px;}
.y8{bottom:1082.459567px;}
.y18{bottom:1090.379564px;}
.y7{bottom:1100.819560px;}
.y2{bottom:1126.019550px;}
.y1{bottom:1147.079541px;}
.h8{height:16.560000px;}
.h4{height:45.779742px;}
.h5{height:45.972702px;}
.h2{height:47.988262px;}
.he{height:51.461979px;}
.h9{height:56.146267px;}
.h3{height:56.712217px;}
.h6{height:56.951257px;}
.hc{height:68.327973px;}
.h7{height:68.615973px;}
.hd{height:79.943728px;}
.h1{height:80.280688px;}
.ha{height:102.491959px;}
.hb{height:102.923959px;}
.h0{height:1263.000000px;}
.w2{width:3.960000px;}
.w1{width:8.100000px;}
.w0{width:892.500000px;}
.x0{left:0.000000px;}
.x2{left:71.999971px;}
.x7{left:77.219969px;}
.xa{left:82.619983px;}
.x6{left:441.359823px;}
.xc{left:450.721298px;}
.xb{left:461.341310px;}
.x8{left:469.079812px;}
.x3{left:503.459799px;}
.x4{left:595.079762px;}
.x1{left:669.419732px;}
.x5{left:810.900000px;}
.x9{left:817.380000px;}
@media print{
.v0{vertical-align:0.000000pt;}
.ls0{letter-spacing:0.000000pt;}
.ls1{letter-spacing:0.103733pt;}
.ls2{letter-spacing:0.207413pt;}
.ws1{word-spacing:-13.343995pt;}
.ws0{word-spacing:0.000000pt;}
._1{margin-left:-1.611679pt;}
._0{width:0.998346pt;}
._a{width:2.048319pt;}
._b{width:2.962825pt;}
._9{width:4.745331pt;}
._6{width:5.746024pt;}
._7{width:6.852744pt;}
._c{width:7.781490pt;}
._8{width:8.717757pt;}
._2{width:10.087409pt;}
._3{width:11.083462pt;}
._d{width:12.220902pt;}
._e{width:17.013807pt;}
._f{width:17.969379pt;}
._12{width:19.312846pt;}
._14{width:26.883989pt;}
._13{width:27.876362pt;}
._11{width:31.370441pt;}
._10{width:32.680467pt;}
._5{width:84.543326pt;}
._4{width:85.559486pt;}
.fs3{font-size:42.879983pt;}
.fs5{font-size:47.999981pt;}
.fs2{font-size:53.119979pt;}
.fs1{font-size:63.999974pt;}
.fs0{font-size:74.879970pt;}
.fs4{font-size:95.999962pt;}
.y0{bottom:0.000000pt;}
.y44{bottom:2.879085pt;}
.yd{bottom:2.879106pt;}
.y6{bottom:51.627046pt;}
.y5{bottom:63.947041pt;}
.y4{bottom:78.827035pt;}
.y3{bottom:107.627024pt;}
.y42{bottom:170.026599pt;}
.y41{bottom:185.386593pt;}
.y40{bottom:219.306579pt;}
.y3f{bottom:234.666573pt;}
.y3e{bottom:250.026567pt;}
.y3d{bottom:265.386561pt;}
.y3c{bottom:299.306547pt;}
.y3b{bottom:314.666541pt;}
.y3a{bottom:330.026535pt;}
.y39{bottom:345.386529pt;}
.y4e{bottom:346.986528pt;}
.y38{bottom:360.746522pt;}
.y4d{bottom:367.626520pt;}
.y37{bottom:376.106516pt;}
.y4c{bottom:388.426511pt;}
.y36{bottom:392.586510pt;}
.y4b{bottom:409.066503pt;}
.y4a{bottom:430.186495pt;}
.y35{bottom:432.746494pt;}
.y34{bottom:454.186485pt;}
.y33{bottom:493.706469pt;}
.y49{bottom:505.386465pt;}
.y32{bottom:512.106462pt;}
.y31{bottom:529.866455pt;}
.y30{bottom:563.946441pt;}
.y2f{bottom:579.146435pt;}
.y2e{bottom:594.506429pt;}
.y2d{bottom:609.866423pt;}
.y17{bottom:611.946422pt;}
.y2c{bottom:625.226417pt;}
.y2b{bottom:640.586410pt;}
.y16{bottom:646.346408pt;}
.y2a{bottom:655.946404pt;}
.y29{bottom:671.146398pt;}
.y15{bottom:673.066397pt;}
.y28{bottom:686.506392pt;}
.y14{bottom:690.506390pt;}
.y27{bottom:701.866386pt;}
.y13{bottom:718.346379pt;}
.y26{bottom:735.946372pt;}
.y12{bottom:745.866368pt;}
.y25{bottom:751.146366pt;}
.y24{bottom:766.506360pt;}
.y23{bottom:781.866354pt;}
.y11{bottom:789.866351pt;}
.y22{bottom:797.066348pt;}
.y48{bottom:797.226348pt;}
.y10{bottom:805.066345pt;}
.y47{bottom:812.586342pt;}
.y46{bottom:827.786336pt;}
.y21{bottom:831.146334pt;}
.y45{bottom:843.146329pt;}
.yf{bottom:844.906329pt;}
.y20{bottom:846.506328pt;}
.y1f{bottom:861.866322pt;}
.ye{bottom:872.266318pt;}
.y1e{bottom:877.226316pt;}
.y1d{bottom:892.586310pt;}
.yc{bottom:897.547200pt;}
.yb{bottom:900.426306pt;}
.y1c{bottom:907.786304pt;}
.y1b{bottom:923.146297pt;}
.ya{bottom:926.026296pt;}
.y1a{bottom:938.506291pt;}
.y9{bottom:944.426289pt;}
.y43{bottom:950.987200pt;}
.y19{bottom:953.866285pt;}
.y8{bottom:962.186282pt;}
.y18{bottom:969.226279pt;}
.y7{bottom:978.506275pt;}
.y2{bottom:1000.906266pt;}
.y1{bottom:1019.626259pt;}
.h8{height:14.720000pt;}
.h4{height:40.693104pt;}
.h5{height:40.864624pt;}
.h2{height:42.656233pt;}
.he{height:45.743982pt;}
.h9{height:49.907793pt;}
.h3{height:50.410860pt;}
.h6{height:50.623340pt;}
.hc{height:60.735976pt;}
.h7{height:60.991976pt;}
.hd{height:71.061092pt;}
.h1{height:71.360611pt;}
.ha{height:91.103964pt;}
.hb{height:91.487963pt;}
.h0{height:1122.666667pt;}
.w2{width:3.520000pt;}
.w1{width:7.200000pt;}
.w0{width:793.333333pt;}
.x0{left:0.000000pt;}
.x2{left:63.999974pt;}
.x7{left:68.639973pt;}
.xa{left:73.439985pt;}
.x6{left:392.319843pt;}
.xc{left:400.641154pt;}
.xb{left:410.081164pt;}
.x8{left:416.959833pt;}
.x3{left:447.519821pt;}
.x4{left:528.959788pt;}
.x1{left:595.039762pt;}
.x5{left:720.800000pt;}
.x9{left:726.560000pt;}
}




    .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; }