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_354f9abd8e98909508a5039d.woff2')format("woff");}.ff1{font-family:ff1;line-height:1.149414;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_1a9cf003dd09ef08dc0f8e4b.woff2')format("woff");}.ff2{font-family:ff2;line-height:1.172852;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_30be4a4205162aad328869b2.woff2')format("woff");}.ff3{font-family:ff3;line-height:0.688965;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:ff4;src:url('chunks/assets/font_0061d9c3ccee16c07ba73311.woff2')format("woff");}.ff4{font-family:ff4;line-height:0.976074;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:ff5;src:url('chunks/assets/font_2b031ef8d6105c3b30e38655.woff2')format("woff");}.ff5{font-family:ff5;line-height:0.687500;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:ff6;src:url('chunks/assets/font_ff0b6d6ad25371c4a276010b.woff2')format("woff");}.ff6{font-family:ff6;line-height:0.767578;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:ff7;src:url('chunks/assets/font_f3a47c74f79ba63501b30b9f.woff2')format("woff");}.ff7{font-family:ff7;line-height:1.172852;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;}
.m1{transform:matrix(0.237173,0.000000,-0.079050,0.237173,0,0);-ms-transform:matrix(0.237173,0.000000,-0.079050,0.237173,0,0);-webkit-transform:matrix(0.237173,0.000000,-0.079050,0.237173,0,0);}
.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);}
.v0{vertical-align:0.000000px;}
.ls3{letter-spacing:-0.175800px;}
.ls2{letter-spacing:-0.058320px;}
.ls1{letter-spacing:0.000000px;}
.ls6{letter-spacing:0.238200px;}
.ls5{letter-spacing:0.256200px;}
.ls4{letter-spacing:0.352200px;}
.ls0{letter-spacing:849.329760px;}
.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:-21.641760px;}
.ws5{word-spacing:-15.226440px;}
.ws1{word-spacing:-13.505760px;}
.ws0{word-spacing:-13.447440px;}
.ws3{word-spacing:-0.095760px;}
.ws4{word-spacing:0.000000px;}
._1{margin-left:-1.523520px;}
._0{width:1.314000px;}
._3{width:837.490080px;}
._4{width:848.162760px;}
._2{width:849.813120px;}
.fc1{color:transparent;}
.fc0{color:rgb(0,0,0);}
.fs8{font-size:41.760000px;}
.fs4{font-size:54.000000px;}
.fs0{font-size:59.760000px;}
.fs1{font-size:66.240000px;}
.fs9{font-size:72.000000px;}
.fs7{font-size:95.760000px;}
.fs2{font-size:108.000000px;}
.fsa{font-size:120.240000px;}
.fs6{font-size:131.760000px;}
.fs5{font-size:138.885846px;}
.fs3{font-size:167.760000px;}
.y8{bottom:-13.515000px;}
.y0{bottom:0.000000px;}
.y4{bottom:19.252500px;}
.y7{bottom:21.090000px;}
.y2{bottom:21.765000px;}
.y6{bottom:57.090000px;}
.y1b{bottom:57.600000px;}
.y2b{bottom:57.636000px;}
.y1a{bottom:77.796000px;}
.y2c{bottom:111.816000px;}
.y3{bottom:119.743500px;}
.y1{bottom:233.145000px;}
.y5{bottom:311.085000px;}
.y18{bottom:423.435000px;}
.y17{bottom:459.795000px;}
.y16{bottom:501.915000px;}
.y15{bottom:551.955000px;}
.y14{bottom:588.315000px;}
.y13{bottom:632.265000px;}
.y12{bottom:678.705000px;}
.y11{bottom:724.965000px;}
.y34{bottom:749.670000px;}
.y10{bottom:771.225000px;}
.y2a{bottom:817.125000px;}
.yf{bottom:817.665000px;}
.y29{bottom:855.285000px;}
.y23{bottom:871.710000px;}
.ye{bottom:878.370000px;}
.y28{bottom:899.610000px;}
.y22{bottom:909.870000px;}
.y31{bottom:916.530000px;}
.yd{bottom:932.370000px;}
.y21{bottom:948.030000px;}
.y33{bottom:956.670000px;}
.y27{bottom:956.850000px;}
.y30{bottom:971.970000px;}
.yc{bottom:972.690000px;}
.y20{bottom:986.190000px;}
.y26{bottom:1013.910000px;}
.y1f{bottom:1024.350000px;}
.y2f{bottom:1024.890000px;}
.yb{bottom:1034.970000px;}
.y1e{bottom:1062.510000px;}
.y25{bottom:1070.970000px;}
.y2e{bottom:1077.810000px;}
.ya{bottom:1082.850000px;}
.y1d{bottom:1100.670000px;}
.y32{bottom:1128.030000px;}
.y24{bottom:1128.210000px;}
.y2d{bottom:1130.760000px;}
.y9{bottom:1130.940000px;}
.y1c{bottom:1139.580000px;}
.y19{bottom:1141.020000px;}
.h4{height:33.292500px;}
.h2{height:35.985000px;}
.h7{height:40.472227px;}
.ha{height:44.860781px;}
.h3{height:61.189805px;}
.h5{height:65.884219px;}
.h10{height:67.824844px;}
.h6{height:71.481000px;}
.he{height:73.722656px;}
.hd{height:76.963359px;}
.hb{height:94.059897px;}
.hc{height:105.896953px;}
.h8{height:107.419922px;}
.h13{height:110.583984px;}
.hf{height:123.116836px;}
.h9{height:171.773789px;}
.h11{height:892.980000px;}
.h12{height:893.250000px;}
.h0{height:1262.880000px;}
.h1{height:1263.000000px;}
.w3{width:337.035000px;}
.w2{width:567.090000px;}
.w4{width:567.270000px;}
.w0{width:892.980000px;}
.w1{width:893.250000px;}
.w5{width:1262.880000px;}
.w6{width:1263.000000px;}
.x0{left:0.000000px;}
.x5{left:10.789500px;}
.x2{left:63.883500px;}
.x4{left:85.710000px;}
.x12{left:106.380000px;}
.x1{left:126.946500px;}
.xa{left:159.870000px;}
.x9{left:163.830000px;}
.xb{left:193.350000px;}
.xc{left:208.290000px;}
.x8{left:214.050000px;}
.x19{left:231.510000px;}
.x7{left:264.630000px;}
.x1a{left:266.970000px;}
.x13{left:292.395000px;}
.x16{left:293.835000px;}
.x10{left:296.715000px;}
.xe{left:325.695000px;}
.x17{left:354.495000px;}
.x18{left:362.235000px;}
.xd{left:366.195000px;}
.x3{left:398.055000px;}
.x6{left:446.475000px;}
.x15{left:748.770000px;}
.xf{left:757.230000px;}
.x14{left:1139.910000px;}
.x11{left:1148.370000px;}
@media print{
.v0{vertical-align:0.000000pt;}
.ls3{letter-spacing:-0.156267pt;}
.ls2{letter-spacing:-0.051840pt;}
.ls1{letter-spacing:0.000000pt;}
.ls6{letter-spacing:0.211733pt;}
.ls5{letter-spacing:0.227733pt;}
.ls4{letter-spacing:0.313067pt;}
.ls0{letter-spacing:754.959787pt;}
.ws2{word-spacing:-19.237120pt;}
.ws5{word-spacing:-13.534613pt;}
.ws1{word-spacing:-12.005120pt;}
.ws0{word-spacing:-11.953280pt;}
.ws3{word-spacing:-0.085120pt;}
.ws4{word-spacing:0.000000pt;}
._1{margin-left:-1.354240pt;}
._0{width:1.168000pt;}
._3{width:744.435627pt;}
._4{width:753.922453pt;}
._2{width:755.389440pt;}
.fs8{font-size:37.120000pt;}
.fs4{font-size:48.000000pt;}
.fs0{font-size:53.120000pt;}
.fs1{font-size:58.880000pt;}
.fs9{font-size:64.000000pt;}
.fs7{font-size:85.120000pt;}
.fs2{font-size:96.000000pt;}
.fsa{font-size:106.880000pt;}
.fs6{font-size:117.120000pt;}
.fs5{font-size:123.454085pt;}
.fs3{font-size:149.120000pt;}
.y8{bottom:-12.013333pt;}
.y0{bottom:0.000000pt;}
.y4{bottom:17.113333pt;}
.y7{bottom:18.746667pt;}
.y2{bottom:19.346667pt;}
.y6{bottom:50.746667pt;}
.y1b{bottom:51.200000pt;}
.y2b{bottom:51.232000pt;}
.y1a{bottom:69.152000pt;}
.y2c{bottom:99.392000pt;}
.y3{bottom:106.438667pt;}
.y1{bottom:207.240000pt;}
.y5{bottom:276.520000pt;}
.y18{bottom:376.386667pt;}
.y17{bottom:408.706667pt;}
.y16{bottom:446.146667pt;}
.y15{bottom:490.626667pt;}
.y14{bottom:522.946667pt;}
.y13{bottom:562.013333pt;}
.y12{bottom:603.293333pt;}
.y11{bottom:644.413333pt;}
.y34{bottom:666.373333pt;}
.y10{bottom:685.533333pt;}
.y2a{bottom:726.333333pt;}
.yf{bottom:726.813333pt;}
.y29{bottom:760.253333pt;}
.y23{bottom:774.853333pt;}
.ye{bottom:780.773333pt;}
.y28{bottom:799.653333pt;}
.y22{bottom:808.773333pt;}
.y31{bottom:814.693333pt;}
.yd{bottom:828.773333pt;}
.y21{bottom:842.693333pt;}
.y33{bottom:850.373333pt;}
.y27{bottom:850.533333pt;}
.y30{bottom:863.973333pt;}
.yc{bottom:864.613333pt;}
.y20{bottom:876.613333pt;}
.y26{bottom:901.253333pt;}
.y1f{bottom:910.533333pt;}
.y2f{bottom:911.013333pt;}
.yb{bottom:919.973333pt;}
.y1e{bottom:944.453333pt;}
.y25{bottom:951.973333pt;}
.y2e{bottom:958.053333pt;}
.ya{bottom:962.533333pt;}
.y1d{bottom:978.373333pt;}
.y32{bottom:1002.693333pt;}
.y24{bottom:1002.853333pt;}
.y2d{bottom:1005.120000pt;}
.y9{bottom:1005.280000pt;}
.y1c{bottom:1012.960000pt;}
.y19{bottom:1014.240000pt;}
.h4{height:29.593333pt;}
.h2{height:31.986667pt;}
.h7{height:35.975313pt;}
.ha{height:39.876250pt;}
.h3{height:54.390938pt;}
.h5{height:58.563750pt;}
.h10{height:60.288750pt;}
.h6{height:63.538667pt;}
.he{height:65.531250pt;}
.hd{height:68.411875pt;}
.hb{height:83.608797pt;}
.hc{height:94.130625pt;}
.h8{height:95.484375pt;}
.h13{height:98.296875pt;}
.hf{height:109.437187pt;}
.h9{height:152.687812pt;}
.h11{height:793.760000pt;}
.h12{height:794.000000pt;}
.h0{height:1122.560000pt;}
.h1{height:1122.666667pt;}
.w3{width:299.586667pt;}
.w2{width:504.080000pt;}
.w4{width:504.240000pt;}
.w0{width:793.760000pt;}
.w1{width:794.000000pt;}
.w5{width:1122.560000pt;}
.w6{width:1122.666667pt;}
.x0{left:0.000000pt;}
.x5{left:9.590667pt;}
.x2{left:56.785333pt;}
.x4{left:76.186667pt;}
.x12{left:94.560000pt;}
.x1{left:112.841333pt;}
.xa{left:142.106667pt;}
.x9{left:145.626667pt;}
.xb{left:171.866667pt;}
.xc{left:185.146667pt;}
.x8{left:190.266667pt;}
.x19{left:205.786667pt;}
.x7{left:235.226667pt;}
.x1a{left:237.306667pt;}
.x13{left:259.906667pt;}
.x16{left:261.186667pt;}
.x10{left:263.746667pt;}
.xe{left:289.506667pt;}
.x17{left:315.106667pt;}
.x18{left:321.986667pt;}
.xd{left:325.506667pt;}
.x3{left:353.826667pt;}
.x6{left:396.866667pt;}
.x15{left:665.573333pt;}
.xf{left:673.093333pt;}
.x14{left:1013.253333pt;}
.x11{left:1020.773333pt;}
}




    .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; }