
    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_c77dd4275a7b3280e20cde84.woff2')format("woff");}.ff1{font-family:ff1;line-height:0.961426;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_ce8703579abeb8ad575bec63.woff2')format("woff");}.ff2{font-family:ff2;line-height:1.104004;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_66d1cea441976739e8c83751.woff2')format("woff");}.ff3{font-family:ff3;line-height:0.938477;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;}
.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;}
.ls0{letter-spacing:0.000000px;}
.ls2{letter-spacing:107.972030px;}
.ls1{letter-spacing:108.000426px;}
.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:-29.916001px;}
.ws2{word-spacing:-23.268000px;}
.ws3{word-spacing:-16.620000px;}
.ws0{word-spacing:0.000000px;}
._4{margin-left:-15.984001px;}
._3{margin-left:-7.992000px;}
._0{margin-left:-6.660000px;}
._5{margin-left:-4.620000px;}
._7{margin-left:-3.513747px;}
._2{margin-left:-1.944000px;}
._1{width:1.252125px;}
._6{width:107.972030px;}
.fc5{color:transparent;}
.fc4{color:rgb(0,151,167);}
.fc2{color:rgb(255,0,0);}
.fc3{color:rgb(0,0,0);}
.fc1{color:rgb(102,102,102);}
.fc0{color:rgb(255,255,255);}
.fs4{font-size:60.000000px;}
.fs6{font-size:66.000004px;}
.fs2{font-size:84.000000px;}
.fs5{font-size:108.000003px;}
.fs1{font-size:167.999999px;}
.fs0{font-size:180.000006px;}
.fs3{font-size:216.000007px;}
.y0{bottom:0.000000px;}
.y3{bottom:14.142127px;}
.y5{bottom:41.141600px;}
.y23{bottom:44.183453px;}
.y50{bottom:93.214822px;}
.y63{bottom:95.464743px;}
.y22{bottom:103.474845px;}
.y4f{bottom:130.339823px;}
.y62{bottom:132.589745px;}
.y21{bottom:132.724846px;}
.y47{bottom:139.474846px;}
.y20{bottom:164.089824px;}
.y46{bottom:168.724847px;}
.y61{bottom:169.714746px;}
.y4e{bottom:191.089848px;}
.y1f{bottom:199.099848px;}
.y45{bottom:200.089825px;}
.y5c{bottom:201.214826px;}
.y29{bottom:204.589781px;}
.y60{bottom:206.839747px;}
.y15{bottom:228.214781px;}
.y4d{bottom:228.214849px;}
.y1e{bottom:228.349849px;}
.y2f{bottom:230.464781px;}
.y44{bottom:237.214827px;}
.y5b{bottom:238.339827px;}
.y2{bottom:238.627336px;}
.y38{bottom:240.589827px;}
.y28{bottom:241.714782px;}
.y1d{bottom:257.599850px;}
.y14{bottom:265.339783px;}
.y4c{bottom:265.339850px;}
.y5f{bottom:267.589783px;}
.y43{bottom:272.224850px;}
.y5a{bottom:273.349850px;}
.yd{bottom:275.464850px;}
.y37{bottom:277.714828px;}
.y1c{bottom:288.964828px;}
.y2e{bottom:291.214828px;}
.y42{bottom:301.474851px;}
.y27{bottom:302.464829px;}
.y4b{bottom:302.464851px;}
.y59{bottom:302.599851px;}
.yc{bottom:312.589852px;}
.y13{bottom:326.089830px;}
.y2d{bottom:328.339830px;}
.y1{bottom:329.969285px;}
.y41{bottom:330.724852px;}
.y58{bottom:331.849852px;}
.y36{bottom:336.349852px;}
.y4a{bottom:339.589852px;}
.yb{bottom:349.714853px;}
.y17{bottom:353.165897px;}
.y40{bottom:359.974853px;}
.y26{bottom:363.214853px;}
.y5e{bottom:363.349853px;}
.y2c{bottom:365.464831px;}
.y35{bottom:365.599853px;}
.y55{bottom:376.714854px;}
.y49{bottom:376.714876px;}
.y4{bottom:385.790898px;}
.y12{bottom:386.839831px;}
.y30{bottom:388.805898px;}
.y3f{bottom:391.339832px;}
.y5d{bottom:392.599832px;}
.y34{bottom:396.964832px;}
.y25{bottom:400.339854px;}
.y2b{bottom:400.474832px;}
.y1b{bottom:410.464832px;}
.y16{bottom:418.415899px;}
.y11{bottom:423.964833px;}
.y3e{bottom:428.464833px;}
.y2a{bottom:429.724833px;}
.y33{bottom:431.974833px;}
.y54{bottom:437.464833px;}
.y48{bottom:437.464856px;}
.y1a{bottom:447.589833px;}
.y10{bottom:461.089834px;}
.y32{bottom:461.224834px;}
.y3d{bottom:465.589834px;}
.ya{bottom:471.214834px;}
.y19{bottom:484.714835px;}
.y53{bottom:488.044835px;}
.y31{bottom:490.474835px;}
.y57{bottom:492.589835px;}
.y24{bottom:498.214835px;}
.y3c{bottom:500.599835px;}
.y9{bottom:508.339835px;}
.yf{bottom:521.839836px;}
.y56{bottom:527.599836px;}
.y52{bottom:528.544836px;}
.y3b{bottom:529.849836px;}
.y8{bottom:545.464837px;}
.y18{bottom:558.964837px;}
.y3a{bottom:559.099837px;}
.y51{bottom:569.044837px;}
.y7{bottom:582.589838px;}
.y39{bottom:588.349838px;}
.y6{bottom:619.714839px;}
.ye{bottom:756.675001px;}
.h9{height:49.564456px;}
.h5{height:53.613282px;}
.ha{height:58.974613px;}
.h3{height:75.058593px;}
.h8{height:78.626956px;}
.h6{height:81.105471px;}
.h7{height:96.503909px;}
.h1{height:135.175786px;}
.h2{height:150.117187px;}
.h4{height:162.210943px;}
.h0{height:810.000000px;}
.w0{width:1080.000000px;}
.x0{left:0.000000px;}
.x7{left:10.125000px;}
.x6{left:46.939963px;}
.x9{left:51.336932px;}
.xe{left:54.806103px;}
.x8{left:57.631857px;}
.xb{left:100.939964px;}
.xc{left:115.262959px;}
.xd{left:154.939966px;}
.x2{left:210.226368px;}
.x1{left:244.511738px;}
.x4{left:245.874045px;}
.x3{left:297.968511px;}
.xa{left:396.997584px;}
.xf{left:654.507865px;}
.x10{left:655.621139px;}
.x5{left:662.846899px;}
@media print{
.v0{vertical-align:0.000000pt;}
.ls0{letter-spacing:0.000000pt;}
.ls2{letter-spacing:95.975138pt;}
.ls1{letter-spacing:96.000379pt;}
.ws1{word-spacing:-26.592001pt;}
.ws2{word-spacing:-20.682667pt;}
.ws3{word-spacing:-14.773333pt;}
.ws0{word-spacing:0.000000pt;}
._4{margin-left:-14.208000pt;}
._3{margin-left:-7.104000pt;}
._0{margin-left:-5.920000pt;}
._5{margin-left:-4.106667pt;}
._7{margin-left:-3.123330pt;}
._2{margin-left:-1.728000pt;}
._1{width:1.113000pt;}
._6{width:95.975138pt;}
.fs4{font-size:53.333334pt;}
.fs6{font-size:58.666670pt;}
.fs2{font-size:74.666666pt;}
.fs5{font-size:96.000003pt;}
.fs1{font-size:149.333333pt;}
.fs0{font-size:160.000005pt;}
.fs3{font-size:192.000006pt;}
.y0{bottom:0.000000pt;}
.y3{bottom:12.570779pt;}
.y5{bottom:36.570311pt;}
.y23{bottom:39.274180pt;}
.y50{bottom:82.857620pt;}
.y63{bottom:84.857550pt;}
.y22{bottom:91.977640pt;}
.y4f{bottom:115.857621pt;}
.y62{bottom:117.857551pt;}
.y21{bottom:117.977641pt;}
.y47{bottom:123.977641pt;}
.y20{bottom:145.857622pt;}
.y46{bottom:149.977642pt;}
.y61{bottom:150.857552pt;}
.y4e{bottom:169.857642pt;}
.y1f{bottom:176.977643pt;}
.y45{bottom:177.857623pt;}
.y5c{bottom:178.857623pt;}
.y29{bottom:181.857583pt;}
.y60{bottom:183.857553pt;}
.y15{bottom:202.857583pt;}
.y4d{bottom:202.857643pt;}
.y1e{bottom:202.977643pt;}
.y2f{bottom:204.857584pt;}
.y44{bottom:210.857624pt;}
.y5b{bottom:211.857624pt;}
.y2{bottom:212.113188pt;}
.y38{bottom:213.857624pt;}
.y28{bottom:214.857584pt;}
.y1d{bottom:228.977644pt;}
.y14{bottom:235.857585pt;}
.y4c{bottom:235.857645pt;}
.y5f{bottom:237.857585pt;}
.y43{bottom:241.977645pt;}
.y5a{bottom:242.977645pt;}
.yd{bottom:244.857645pt;}
.y37{bottom:246.857625pt;}
.y1c{bottom:256.857625pt;}
.y2e{bottom:258.857625pt;}
.y42{bottom:267.977646pt;}
.y27{bottom:268.857626pt;}
.y4b{bottom:268.857646pt;}
.y59{bottom:268.977646pt;}
.yc{bottom:277.857646pt;}
.y13{bottom:289.857626pt;}
.y2d{bottom:291.857626pt;}
.y1{bottom:293.306031pt;}
.y41{bottom:293.977646pt;}
.y58{bottom:294.977646pt;}
.y36{bottom:298.977647pt;}
.y4a{bottom:301.857647pt;}
.yb{bottom:310.857647pt;}
.y17{bottom:313.925242pt;}
.y40{bottom:319.977647pt;}
.y26{bottom:322.857647pt;}
.y5e{bottom:322.977647pt;}
.y2c{bottom:324.857627pt;}
.y35{bottom:324.977647pt;}
.y55{bottom:334.857648pt;}
.y49{bottom:334.857668pt;}
.y4{bottom:342.925243pt;}
.y12{bottom:343.857628pt;}
.y30{bottom:345.605243pt;}
.y3f{bottom:347.857628pt;}
.y5d{bottom:348.977628pt;}
.y34{bottom:352.857628pt;}
.y25{bottom:355.857648pt;}
.y2b{bottom:355.977628pt;}
.y1b{bottom:364.857629pt;}
.y16{bottom:371.925244pt;}
.y11{bottom:376.857629pt;}
.y3e{bottom:380.857629pt;}
.y2a{bottom:381.977629pt;}
.y33{bottom:383.977629pt;}
.y54{bottom:388.857629pt;}
.y48{bottom:388.857649pt;}
.y1a{bottom:397.857630pt;}
.y10{bottom:409.857630pt;}
.y32{bottom:409.977630pt;}
.y3d{bottom:413.857630pt;}
.ya{bottom:418.857630pt;}
.y19{bottom:430.857631pt;}
.y53{bottom:433.817631pt;}
.y31{bottom:435.977631pt;}
.y57{bottom:437.857631pt;}
.y24{bottom:442.857631pt;}
.y3c{bottom:444.977631pt;}
.y9{bottom:451.857631pt;}
.yf{bottom:463.857632pt;}
.y56{bottom:468.977632pt;}
.y52{bottom:469.817632pt;}
.y3b{bottom:470.977632pt;}
.y8{bottom:484.857632pt;}
.y18{bottom:496.857633pt;}
.y3a{bottom:496.977633pt;}
.y51{bottom:505.817633pt;}
.y7{bottom:517.857634pt;}
.y39{bottom:522.977634pt;}
.y6{bottom:550.857635pt;}
.ye{bottom:672.600000pt;}
.h9{height:44.057294pt;}
.h5{height:47.656250pt;}
.ha{height:52.421878pt;}
.h3{height:66.718750pt;}
.h8{height:69.890627pt;}
.h6{height:72.093752pt;}
.h7{height:85.781253pt;}
.h1{height:120.156254pt;}
.h2{height:133.437500pt;}
.h4{height:144.187505pt;}
.h0{height:720.000000pt;}
.w0{width:960.000000pt;}
.x0{left:0.000000pt;}
.x7{left:9.000000pt;}
.x6{left:41.724411pt;}
.x9{left:45.632828pt;}
.xe{left:48.716536pt;}
.x8{left:51.228318pt;}
.xb{left:89.724413pt;}
.xc{left:102.455963pt;}
.xd{left:137.724414pt;}
.x2{left:186.867883pt;}
.x1{left:217.343767pt;}
.x4{left:218.554707pt;}
.x3{left:264.860898pt;}
.xa{left:352.886741pt;}
.xf{left:581.784769pt;}
.x10{left:582.774346pt;}
.x5{left:589.197244pt;}
}




    .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; }
  