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;}
.ff1{font-family:sans-serif;visibility:hidden;}
.ff2{font-family:sans-serif;visibility:hidden;}
.ff3{font-family:sans-serif;visibility:hidden;}
.m0{transform:matrix(0.250032,0.000000,0.000000,0.250000,0,0);-ms-transform:matrix(0.250032,0.000000,0.000000,0.250000,0,0);-webkit-transform:matrix(0.250032,0.000000,0.000000,0.250000,0,0);}
.m1{transform:matrix(0.250035,0.000000,0.000000,0.250000,0,0);-ms-transform:matrix(0.250035,0.000000,0.000000,0.250000,0,0);-webkit-transform:matrix(0.250035,0.000000,0.000000,0.250000,0,0);}
.v0{vertical-align:0.000000px;}
.ls0{letter-spacing:0.000000px;}
.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;}
}
.ws0{word-spacing:0.000000px;}
.ws2{word-spacing:1903.654866px;}
.ws1{word-spacing:1903.660866px;}
._2d{margin-left:-103.364181px;}
._2f{margin-left:-99.484477px;}
._30{margin-left:-94.687399px;}
._2c{margin-left:-92.631724px;}
._2b{margin-left:-82.715072px;}
._1{margin-left:-77.770632px;}
._f{margin-left:-74.553892px;}
._15{margin-left:-73.312967px;}
._11{margin-left:-71.446240px;}
._b{margin-left:-70.200441px;}
._14{margin-left:-69.066427px;}
._0{margin-left:-67.919761px;}
._31{margin-left:-66.869874px;}
._2e{margin-left:-64.676350px;}
._5{margin-left:-62.528940px;}
._a{margin-left:-61.491259px;}
._9{margin-left:-59.522806px;}
._4{margin-left:-58.175697px;}
._12{margin-left:-56.825788px;}
._8{margin-left:-54.958646px;}
._3{margin-left:-53.299517px;}
._d{margin-left:-51.435071px;}
._17{margin-left:-50.077800px;}
._10{margin-left:-48.844756px;}
._26{margin-left:-47.794663px;}
._24{margin-left:-46.708658px;}
._19{margin-left:-45.255722px;}
._29{margin-left:-43.924124px;}
._16{margin-left:-42.202952px;}
._1a{margin-left:-41.064541px;}
._2a{margin-left:-40.011158px;}
._32{margin-left:-38.969740px;}
._18{margin-left:-37.743448px;}
._1b{margin-left:-36.609383px;}
._7{margin-left:-35.569132px;}
._27{margin-left:-34.310680px;}
._1f{margin-left:-33.004378px;}
._c{margin-left:-31.837440px;}
._23{margin-left:-29.366660px;}
._13{margin-left:-28.102948px;}
._28{margin-left:-26.810843px;}
._20{margin-left:-23.971393px;}
._1e{margin-left:-21.249274px;}
._22{margin-left:-19.819717px;}
._25{margin-left:-18.532106px;}
._1c{margin-left:-17.053126px;}
._1d{margin-left:-15.699268px;}
._e{margin-left:-13.688021px;}
._2{margin-left:-11.615458px;}
._6{margin-left:-9.126723px;}
._21{margin-left:-7.319402px;}
.fc1{color:transparent;}
.fc0{color:rgb(0,0,0);}
.fs2{font-size:66.661773px;}
.fs1{font-size:74.068770px;}
.fs0{font-size:103.695559px;}
.fs3{font-size:137.026745px;}
.y0{bottom:0.000000px;}
.y27{bottom:145.493192px;}
.y25{bottom:145.508192px;}
.y52{bottom:188.296725px;}
.y1d{bottom:188.797274px;}
.y51{bottom:210.516216px;}
.y1c{bottom:211.018116px;}
.y50{bottom:232.737057px;}
.y1b{bottom:233.237607px;}
.y4f{bottom:254.957898px;}
.y1a{bottom:255.458448px;}
.y4e{bottom:277.179489px;}
.y19{bottom:277.679289px;}
.y4d{bottom:299.398230px;}
.y18{bottom:299.900880px;}
.y4c{bottom:321.619071px;}
.y17{bottom:322.121721px;}
.y4b{bottom:343.840662px;}
.y16{bottom:344.340462px;}
.y4a{bottom:366.061504px;}
.y15{bottom:366.562053px;}
.y49{bottom:388.282345px;}
.y14{bottom:388.782894px;}
.y48{bottom:410.501836px;}
.y13{bottom:411.003736px;}
.y47{bottom:432.722677px;}
.y12{bottom:433.223227px;}
.y46{bottom:454.943518px;}
.y11{bottom:455.444068px;}
.y45{bottom:477.164359px;}
.y10{bottom:477.664909px;}
.y44{bottom:499.383850px;}
.yf{bottom:499.885750px;}
.y43{bottom:521.604691px;}
.ye{bottom:522.105241px;}
.y42{bottom:543.825532px;}
.yd{bottom:544.326082px;}
.y41{bottom:566.047124px;}
.yc{bottom:566.546923px;}
.y40{bottom:588.265865px;}
.yb{bottom:588.767764px;}
.y3f{bottom:610.486706px;}
.ya{bottom:610.987256px;}
.y3e{bottom:632.708297px;}
.y9{bottom:633.208097px;}
.y3d{bottom:654.929138px;}
.y8{bottom:655.429688px;}
.y3c{bottom:677.147879px;}
.y7{bottom:677.650529px;}
.y3b{bottom:699.369470px;}
.y6{bottom:699.869270px;}
.y3a{bottom:721.590311px;}
.y5{bottom:722.090861px;}
.y39{bottom:743.811152px;}
.y4{bottom:744.311702px;}
.y38{bottom:766.031994px;}
.y37{bottom:788.251485px;}
.y3{bottom:788.754884px;}
.y36{bottom:810.472326px;}
.y2{bottom:819.862472px;}
.y35{bottom:832.693167px;}
.y1{bottom:850.972160px;}
.y34{bottom:854.914758px;}
.y33{bottom:877.133499px;}
.y32{bottom:899.354340px;}
.y31{bottom:921.575931px;}
.y30{bottom:943.796772px;}
.y24{bottom:960.727116px;}
.y2f{bottom:966.015514px;}
.y2e{bottom:988.237105px;}
.y2d{bottom:1010.457946px;}
.y2c{bottom:1032.678787px;}
.y2b{bottom:1054.898278px;}
.y2a{bottom:1077.119119px;}
.y29{bottom:1099.339960px;}
.y28{bottom:1121.560051px;}
.y23{bottom:1122.184801px;}
.y20{bottom:1122.184951px;}
.y1f{bottom:1142.183243px;}
.y22{bottom:1142.183843px;}
.y1e{bottom:1162.181535px;}
.y21{bottom:1162.182135px;}
.y26{bottom:1163.766284px;}
.h3{height:63.328685px;}
.h2{height:70.365332px;}
.h1{height:98.510781px;}
.h4{height:130.175408px;}
.h0{height:1263.000000px;}
.w0{width:892.500000px;}
.x0{left:0.000000px;}
.x1{left:104.992758px;}
.x3{left:107.225057px;}
.x2{left:136.490645px;}
.x7{left:329.614368px;}
.x8{left:363.053499px;}
.x4{left:421.692807px;}
.x6{left:467.512749px;}
.x5{left:469.829545px;}
.xa{left:576.591325px;}
.xb{left:618.815469px;}
.x9{left:764.023194px;}
@media print{
.v0{vertical-align:0.000000pt;}
.ls0{letter-spacing:0.000000pt;}
.ws0{word-spacing:0.000000pt;}
.ws2{word-spacing:1692.137658pt;}
.ws1{word-spacing:1692.142992pt;}
._2d{margin-left:-91.879272pt;}
._2f{margin-left:-88.430646pt;}
._30{margin-left:-84.166577pt;}
._2c{margin-left:-82.339310pt;}
._2b{margin-left:-73.524508pt;}
._1{margin-left:-69.129451pt;}
._f{margin-left:-66.270126pt;}
._15{margin-left:-65.167082pt;}
._11{margin-left:-63.507769pt;}
._b{margin-left:-62.400392pt;}
._14{margin-left:-61.392379pt;}
._0{margin-left:-60.373121pt;}
._31{margin-left:-59.439888pt;}
._2e{margin-left:-57.490089pt;}
._5{margin-left:-55.581280pt;}
._a{margin-left:-54.658897pt;}
._9{margin-left:-52.909161pt;}
._4{margin-left:-51.711731pt;}
._12{margin-left:-50.511812pt;}
._8{margin-left:-48.852130pt;}
._3{margin-left:-47.377349pt;}
._d{margin-left:-45.720063pt;}
._17{margin-left:-44.513600pt;}
._10{margin-left:-43.417561pt;}
._26{margin-left:-42.484145pt;}
._24{margin-left:-41.518807pt;}
._19{margin-left:-40.227309pt;}
._29{margin-left:-39.043666pt;}
._16{margin-left:-37.513735pt;}
._1a{margin-left:-36.501814pt;}
._2a{margin-left:-35.565474pt;}
._32{margin-left:-34.639769pt;}
._18{margin-left:-33.549732pt;}
._1b{margin-left:-32.541673pt;}
._7{margin-left:-31.617006pt;}
._27{margin-left:-30.498382pt;}
._1f{margin-left:-29.337225pt;}
._c{margin-left:-28.299947pt;}
._23{margin-left:-26.103698pt;}
._13{margin-left:-24.980398pt;}
._28{margin-left:-23.831860pt;}
._20{margin-left:-21.307905pt;}
._1e{margin-left:-18.888244pt;}
._22{margin-left:-17.617527pt;}
._25{margin-left:-16.472983pt;}
._1c{margin-left:-15.158335pt;}
._1d{margin-left:-13.954905pt;}
._e{margin-left:-12.167130pt;}
._2{margin-left:-10.324852pt;}
._6{margin-left:-8.112643pt;}
._21{margin-left:-6.506135pt;}
.fs2{font-size:59.254910pt;}
.fs1{font-size:65.838907pt;}
.fs0{font-size:92.173830pt;}
.fs3{font-size:121.801551pt;}
.y0{bottom:0.000000pt;}
.y27{bottom:129.327282pt;}
.y25{bottom:129.340615pt;}
.y52{bottom:167.374866pt;}
.y1d{bottom:167.819800pt;}
.y51{bottom:187.125525pt;}
.y1c{bottom:187.571658pt;}
.y50{bottom:206.877384pt;}
.y1b{bottom:207.322317pt;}
.y4f{bottom:226.629243pt;}
.y1a{bottom:227.074176pt;}
.y4e{bottom:246.381768pt;}
.y19{bottom:246.826035pt;}
.y4d{bottom:266.131760pt;}
.y18{bottom:266.578560pt;}
.y4c{bottom:285.883619pt;}
.y17{bottom:286.330419pt;}
.y4b{bottom:305.636144pt;}
.y16{bottom:306.080411pt;}
.y4a{bottom:325.388003pt;}
.y15{bottom:325.832936pt;}
.y49{bottom:345.139862pt;}
.y14{bottom:345.584795pt;}
.y48{bottom:364.890521pt;}
.y13{bottom:365.336654pt;}
.y47{bottom:384.642379pt;}
.y12{bottom:385.087313pt;}
.y46{bottom:404.394238pt;}
.y11{bottom:404.839171pt;}
.y45{bottom:424.146097pt;}
.y10{bottom:424.591030pt;}
.y44{bottom:443.896756pt;}
.yf{bottom:444.342889pt;}
.y43{bottom:463.648615pt;}
.ye{bottom:464.093548pt;}
.y42{bottom:483.400473pt;}
.yd{bottom:483.845406pt;}
.y41{bottom:503.152999pt;}
.yc{bottom:503.597265pt;}
.y40{bottom:522.902991pt;}
.yb{bottom:523.349124pt;}
.y3f{bottom:542.654850pt;}
.ya{bottom:543.099783pt;}
.y3e{bottom:562.407375pt;}
.y9{bottom:562.851642pt;}
.y3d{bottom:582.159234pt;}
.y8{bottom:582.604167pt;}
.y3c{bottom:601.909226pt;}
.y7{bottom:602.356026pt;}
.y3b{bottom:621.661751pt;}
.y6{bottom:622.106018pt;}
.y3a{bottom:641.413610pt;}
.y5{bottom:641.858543pt;}
.y39{bottom:661.165469pt;}
.y4{bottom:661.610402pt;}
.y38{bottom:680.917328pt;}
.y37{bottom:700.667986pt;}
.y3{bottom:701.115453pt;}
.y36{bottom:720.419845pt;}
.y2{bottom:728.766642pt;}
.y35{bottom:740.171704pt;}
.y1{bottom:756.419697pt;}
.y34{bottom:759.924229pt;}
.y33{bottom:779.674221pt;}
.y32{bottom:799.426080pt;}
.y31{bottom:819.178606pt;}
.y30{bottom:838.930464pt;}
.y24{bottom:853.979658pt;}
.y2f{bottom:858.680457pt;}
.y2e{bottom:878.432982pt;}
.y2d{bottom:898.184841pt;}
.y2c{bottom:917.936699pt;}
.y2b{bottom:937.687358pt;}
.y2a{bottom:957.439217pt;}
.y29{bottom:977.191076pt;}
.y28{bottom:996.942268pt;}
.y23{bottom:997.497601pt;}
.y20{bottom:997.497734pt;}
.y1f{bottom:1015.273994pt;}
.y22{bottom:1015.274527pt;}
.y1e{bottom:1033.050253pt;}
.y21{bottom:1033.050787pt;}
.y26{bottom:1034.458920pt;}
.h3{height:56.292164pt;}
.h2{height:62.546962pt;}
.h1{height:87.565138pt;}
.h4{height:115.711474pt;}
.h0{height:1122.666667pt;}
.w0{width:793.333333pt;}
.x0{left:0.000000pt;}
.x1{left:93.326896pt;}
.x3{left:95.311162pt;}
.x2{left:121.325018pt;}
.x7{left:292.990549pt;}
.x8{left:322.714221pt;}
.x4{left:374.838051pt;}
.x6{left:415.566888pt;}
.x5{left:417.626262pt;}
.xa{left:512.525622pt;}
.xb{left:550.058194pt;}
.x9{left:679.131728pt;}
}




    .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; }