/* ============================================================
   news_retropaper · 复古牛皮纸报纸风
   class 前缀: rtp-
   ============================================================ */

:root{
  --rtp-paper:#f2e8d5;
  --rtp-paper-alt:#ece0c4;
  --rtp-paper-dark:#e0d2ab;
  --rtp-ink:#201a14;
  --rtp-ink-soft:#463b2d;
  --rtp-accent:#8b2e2e;
  --rtp-accent-dark:#6e2020;
  --rtp-line:#3a3226;
  --rtp-line-soft:#b9a97f;
  --rtp-muted:#786748;
  --rtp-font-serif:"Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}

.rtp-body{
  background-color:var(--rtp-paper);
  background-image:
    repeating-linear-gradient(0deg,rgba(58,50,38,0.035) 0px,rgba(58,50,38,0.035) 1px,transparent 1px,transparent 3px),
    radial-gradient(ellipse at top left,rgba(139,46,46,0.05),transparent 55%);
  color:var(--rtp-ink);
  font-family:var(--rtp-font-serif);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--rtp-accent);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--rtp-accent-dark);text-decoration:underline;}

img{max-width:100%;display:block;}

ul{list-style:none;margin:0;padding:0;}

/* ---------------- Masthead ---------------- */

.rtp-masthead{
  background:var(--rtp-paper-alt);
  border-bottom:4px double var(--rtp-line);
}

.rtp-masthead-strip{
  max-width:1200px;
  margin:0 auto;
  padding:6px 20px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px 18px;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--rtp-muted);
  border-bottom:1px solid var(--rtp-line-soft);
}

.rtp-strip-host{font-style:italic;}

.rtp-masthead-brand{
  max-width:1200px;
  margin:0 auto;
  padding:22px 20px 14px;
  text-align:center;
}

.rtp-logo-link{display:inline-block;margin-bottom:10px;}
.rtp-logo-link img{
  margin:0 auto;
  filter:sepia(0.18) contrast(1.02);
  border:1px solid var(--rtp-line-soft);
  padding:3px;
  background:var(--rtp-paper);
}

.rtp-site-title{
  margin:0;
  font-family:var(--rtp-font-serif);
  font-weight:900;
  font-size:44px;
  letter-spacing:.08em;
  color:var(--rtp-ink);
  background:linear-gradient(180deg,var(--rtp-ink) 0%,var(--rtp-accent) 130%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  text-shadow:0 1px 0 rgba(255,255,255,0.35);
}

.rtp-site-desc{
  margin:8px 0 0;
  font-size:14px;
  color:var(--rtp-ink-soft);
  font-style:italic;
}

.rtp-nav{
  max-width:1200px;
  margin:0 auto;
  padding:10px 20px 16px;
  text-align:center;
  border-top:1px solid var(--rtp-line-soft);
}

.rtp-nav-list{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:0 4px;
}

.rtp-nav-list li{
  display:flex;
  align-items:center;
  font-size:14px;
}

.rtp-nav-list li a{
  color:var(--rtp-ink);
  padding:2px 6px;
  font-weight:700;
  letter-spacing:.02em;
}

.rtp-nav-list li a:hover{
  color:var(--rtp-accent);
  text-decoration:underline;
}

.rtp-nav-list li:not(:last-child)::after{
  content:'\2022';
  color:var(--rtp-accent);
  margin:0 2px;
  font-weight:700;
}

/* ---------------- Wrapper / Sidebar / Main ---------------- */

.rtp-wrapper{
  max-width:1200px;
  margin:0 auto;
  padding:26px 20px 10px;
  display:flex;
  align-items:flex-start;
  gap:30px;
}

.rtp-sidebar{
  width:240px;
  flex:0 0 240px;
  border-right:1px solid var(--rtp-line-soft);
  padding-right:22px;
}

.rtp-sidebar-block{margin-bottom:26px;}

.rtp-sidebar-title{
  margin:0 0 10px;
  font-size:15px;
  letter-spacing:.06em;
  color:var(--rtp-accent);
  border-bottom:2px solid var(--rtp-ink);
  padding-bottom:6px;
}

.rtp-sidebar-title span{border-bottom:2px solid var(--rtp-accent);padding-bottom:6px;margin-bottom:-8px;display:inline-block;}

.rtp-cate-list li,.rtp-domain-list li{
  border-bottom:1px dashed var(--rtp-line-soft);
}

.rtp-cate-list li a,.rtp-domain-list li a{
  display:block;
  padding:8px 2px;
  color:var(--rtp-ink-soft);
  font-size:14px;
}

.rtp-cate-list li a::before{content:'\258C';color:var(--rtp-accent);margin-right:6px;}

.rtp-cate-list li a:hover,.rtp-domain-list li a:hover{
  color:var(--rtp-accent);
  padding-left:6px;
}

.rtp-sidebar-stamp{
  border:2px solid var(--rtp-accent);
  color:var(--rtp-accent);
  width:88px;
  padding:10px 4px;
  text-align:center;
  transform:rotate(-6deg);
  font-size:12px;
  letter-spacing:.12em;
  display:flex;
  flex-direction:column;
  gap:2px;
  opacity:.75;
}

.rtp-main{
  flex:1;
  min-width:0;
}

/* ---------------- Index: masthead columns layout ---------------- */

.rtp-edition-bar{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:16px;
}

.rtp-edition-text{
  font-weight:900;
  font-size:18px;
  letter-spacing:.05em;
  white-space:nowrap;
  color:var(--rtp-ink);
}

.rtp-edition-rule{
  flex:1;
  min-width:0;
  height:3px;
  background:repeating-linear-gradient(90deg,var(--rtp-ink) 0 8px,transparent 8px 12px);
}

.rtp-columns{
  columns:4 260px;
  column-gap:26px;
  column-rule:1px solid var(--rtp-line-soft);
}

.rtp-clip{
  break-inside:avoid;
  -webkit-column-break-inside:avoid;
  border:1px solid var(--rtp-line);
  padding:14px 14px 12px;
  margin:0 0 20px;
  background:rgba(255,255,255,0.18);
  position:relative;
}

.rtp-clip-tag{
  position:absolute;
  top:-10px;
  left:10px;
  background:var(--rtp-accent);
  color:var(--rtp-paper);
  font-size:11px;
  letter-spacing:.05em;
  padding:2px 8px;
  transform:rotate(-3deg);
  box-shadow:1px 1px 0 var(--rtp-line);
}

.rtp-clip-title{
  margin:10px 0 8px;
  font-size:17px;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.rtp-clip-title a{color:var(--rtp-ink);}
.rtp-clip-title a:hover{color:var(--rtp-accent);}

.rtp-clip-info{
  font-size:13px;
  color:var(--rtp-ink-soft);
  margin:0 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.rtp-clip-info::first-letter{
  float:left;
  font-size:30px;
  line-height:26px;
  padding:2px 6px 0 0;
  font-weight:900;
  color:var(--rtp-accent);
  font-family:var(--rtp-font-serif);
}

.rtp-clip-meta{
  display:flex;
  gap:12px;
  font-size:11px;
  color:var(--rtp-muted);
  border-top:1px dashed var(--rtp-line-soft);
  padding-top:6px;
}

/* ---------------- List page ---------------- */

.rtp-section-head{
  display:flex;
  align-items:baseline;
  gap:12px;
  border-bottom:3px double var(--rtp-line);
  padding-bottom:10px;
  margin-bottom:14px;
  flex-wrap:wrap;
}

.rtp-section-title{
  margin:0;
  font-size:26px;
  color:var(--rtp-ink);
}

.rtp-section-sub{
  font-size:12px;
  color:var(--rtp-muted);
  letter-spacing:.05em;
}

.rtp-list-items li.rtp-list-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 2px;
  border-bottom:1px dashed var(--rtp-line-soft);
}

.rtp-list-tag{
  flex:0 0 auto;
  font-size:11px;
  border:1px solid var(--rtp-accent);
  color:var(--rtp-accent);
  padding:1px 6px;
}

.rtp-list-link{
  flex:1;
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--rtp-ink);
  font-size:15px;
}

.rtp-list-link:hover{color:var(--rtp-accent);}

.rtp-list-date,.rtp-list-hits{
  flex:0 0 auto;
  font-size:12px;
  color:var(--rtp-muted);
}

.rtp-pagination{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  justify-content:center;
  margin:26px 0 10px;
}

.rtp-pagination a{
  border:1px solid var(--rtp-line);
  padding:5px 12px;
  font-size:13px;
  color:var(--rtp-ink-soft);
}

.rtp-pagination a:hover{
  background:var(--rtp-accent);
  border-color:var(--rtp-accent);
  color:var(--rtp-paper);
  text-decoration:none;
}

/* ---------------- Article / show ---------------- */

.rtp-breadcrumb{
  font-size:12px;
  color:var(--rtp-muted);
  margin-bottom:10px;
}

.rtp-crumb-sep{margin:0 6px;}
.rtp-crumb-current{color:var(--rtp-accent);}

.rtp-article-title{
  font-size:30px;
  line-height:1.4;
  margin:0 0 10px;
  color:var(--rtp-ink);
  border-bottom:3px double var(--rtp-line);
  padding-bottom:12px;
}

.rtp-article-meta{
  display:flex;
  gap:16px;
  font-size:12px;
  color:var(--rtp-muted);
  margin:10px 0 18px;
  font-style:italic;
}

.rtp-article-body{
  font-size:16px;
  columns:2 320px;
  column-gap:30px;
  column-rule:1px solid var(--rtp-line-soft);
}

.rtp-article-body p{margin:0 0 14px;}

.rtp-article-body p:first-of-type::first-letter{
  float:left;
  font-size:58px;
  line-height:44px;
  padding:4px 8px 0 0;
  font-weight:900;
  color:var(--rtp-accent);
  font-family:var(--rtp-font-serif);
}

.rtp-article-body img{border:1px solid var(--rtp-line);padding:3px;background:var(--rtp-paper);margin:8px 0;}

/* ---------------- Prev / Next nav ---------------- */

.rtp-artnav{
  display:flex;
  gap:20px;
  margin:30px 0 10px;
  border-top:1px solid var(--rtp-line);
  border-bottom:1px solid var(--rtp-line);
  padding:14px 0;
  flex-wrap:wrap;
}

.rtp-artnav-prev,.rtp-artnav-next{
  flex:1;
  min-width:0;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
}

.rtp-artnav-label{
  flex:0 0 auto;
  font-weight:700;
  color:var(--rtp-accent);
  font-size:12px;
  border:1px solid var(--rtp-accent);
  padding:2px 6px;
}

.rtp-artnav-prev a,.rtp-artnav-next a{
  flex:1;
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--rtp-ink-soft);
}

.rtp-artnav-prev a:hover,.rtp-artnav-next a:hover{color:var(--rtp-accent);}

/* ---------------- Related / link line ---------------- */

.rtp-related{margin:26px 0;}

.rtp-related-title{
  font-size:17px;
  margin:0 0 10px;
  color:var(--rtp-ink);
  border-left:4px solid var(--rtp-accent);
  padding-left:10px;
}

.rtp-related-list li{
  display:flex;
  justify-content:space-between;
  gap:10px;
  padding:8px 2px;
  border-bottom:1px dotted var(--rtp-line-soft);
  font-size:14px;
}

.rtp-related-list li a{
  flex:1;
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--rtp-ink-soft);
}

.rtp-related-list li a:hover{color:var(--rtp-accent);}

.rtp-related-date{flex:0 0 auto;font-size:12px;color:var(--rtp-muted);}

.rtp-linkline{
  font-size:13px;
  color:var(--rtp-muted);
  padding:12px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:6px 14px;
  align-items:center;
}

.rtp-linkline-label{font-weight:700;color:var(--rtp-ink);margin-right:4px;}

.rtp-linkline a{color:var(--rtp-ink-soft);}
.rtp-linkline a:hover{color:var(--rtp-accent);}

/* ---------------- Link bar / Footer ---------------- */

.rtp-linkbar{
  background:var(--rtp-paper-dark);
  border-top:1px solid var(--rtp-line-soft);
  border-bottom:1px solid var(--rtp-line-soft);
}

.rtp-linkbar-inner{
  max-width:1200px;
  margin:0 auto;
  padding:12px 20px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px 16px;
}

.rtp-linkbar-label{
  font-weight:700;
  font-size:13px;
  color:var(--rtp-ink);
  flex:0 0 auto;
}

.rtp-linklist{
  display:flex;
  flex-wrap:wrap;
  gap:6px 14px;
  flex:1;
  min-width:0;
}

.rtp-linklist li a{font-size:12px;color:var(--rtp-muted);}
.rtp-linklist li a:hover{color:var(--rtp-accent);}

.rtp-footer{
  background:var(--rtp-ink);
  color:var(--rtp-paper-alt);
  padding:20px;
}

.rtp-footer-inner{
  max-width:1200px;
  margin:0 auto;
  text-align:center;
  font-size:12px;
  line-height:1.9;
}

.rtp-footer-name{margin:0;font-size:14px;letter-spacing:.05em;}
.rtp-footer-beian{margin:0;}
.rtp-footer-beian a{color:var(--rtp-paper-alt);}
.rtp-footer-beian a:hover{color:var(--rtp-paper);text-decoration:underline;}
.rtp-footer-motto{margin:4px 0 0;color:var(--rtp-line-soft);font-style:italic;}

/* ---------------- Responsive breakpoints ---------------- */

@media (max-width:1024px){
  .rtp-columns{columns:3 240px;}
  .rtp-article-body{columns:2 260px;}
  .rtp-site-title{font-size:36px;}
}

@media (max-width:768px){
  .rtp-wrapper{flex-direction:column;}
  .rtp-sidebar{
    width:100%;
    flex:1 1 auto;
    border-right:none;
    border-bottom:1px solid var(--rtp-line-soft);
    padding-right:0;
    padding-bottom:16px;
    display:flex;
    gap:24px;
    flex-wrap:wrap;
  }
  .rtp-sidebar-block{flex:1 1 200px;margin-bottom:0;}
  .rtp-sidebar-stamp{display:none;}
  .rtp-columns{columns:2 220px;}
  .rtp-article-body{columns:1;}
  .rtp-nav-list{gap:2px 0;}
  .rtp-artnav{flex-direction:column;gap:12px;}
}

@media (max-width:480px){
  .rtp-masthead-strip{flex-direction:column;gap:4px;text-align:center;}
  .rtp-site-title{font-size:26px;}
  .rtp-columns{columns:1;}
  .rtp-sidebar{flex-direction:column;gap:16px;}
  .rtp-list-items li.rtp-list-item{flex-wrap:wrap;}
  .rtp-list-link{flex:1 1 100%;order:1;white-space:normal;}
  .rtp-list-tag{order:0;}
  .rtp-list-date,.rtp-list-hits{order:2;}
}