/* ==========================================================
   index.css —— 文章页统一布局样式
   所有由 editor/index.html 生成的文章页都引用本文件
   （需在 style.css 之后加载）
========================================================== */

/* ---------- 页眉:logo + 站名(左) | 两个返回按钮上下排列(右) ---------- */
/* 页眉 HTML 由 js/layout.js 注入 */

.topbar .nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:nowrap;
  padding:12px 28px;
}

.article-brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  width:auto;
  color:var(--text);
}

.article-brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}

.article-brand-text .en{
  font-size:22px;
  font-weight:800;
  letter-spacing:.8px;
  color:var(--text);
}

.article-brand-text .cn{
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  margin-top:3px;
}

.article-back-group{
  display:flex;
  flex-direction:column;
  align-items:stretch;
  gap:6px;
  flex-shrink:0;
}

.article-back-btn{
  display:block;
  width:auto;
  padding:5px 14px;
  border-radius:999px;
  background:var(--accent-light);
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  line-height:1.3;
  text-align:center;
  white-space:nowrap;
  transition:.2s;
}

.article-back-btn:hover{
  background:var(--primary);
  color:#fff;
}


/* ---------- 文章标题(位于头图之上) ---------- */

.article-title-block{
  margin:0 0 22px;
}

.article-title-cn{
  margin:0 0 6px;
  font-size:34px;
  font-weight:800;
  line-height:1.3;
  color:var(--text);
}

.article-title-en{
  margin:0;
  font-size:20px;
  font-weight:700;
  line-height:1.4;
  color:var(--muted);
}


/* ---------- 正文区：图片 + 摘要 + 正文 ---------- */

.article-shell{
  max-width:820px;
  margin:0 auto;
  padding:40px 28px 90px;
}

.article-hero-image{
  display:block;
  width:100%;
  height:auto;
  border-radius:20px;
  margin:0 0 20px;
  box-shadow:var(--shadow);
  background:var(--accent-light);
}

.article-summary{
  font-size:17px;
  border-left:3px solid var(--accent);
  padding-left:18px;
  margin:0 0 30px;
  font-style:italic;
  color:var(--muted);
}

.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--text);
}

.article-body,
.article-body *{
  font-family:
    "Microsoft YaHei",
    "微软雅黑",
    "PingFang SC",
    "Hiragino Sans GB",
    Arial,
    sans-serif !important;
}

.article-body p{
  margin:0 0 20px;
  font-size:17px;
  line-height:1.9;
}

.article-body h2{
  font-size:26px;
  color:var(--primary);
  margin:32px 0 16px;
  line-height:1.4;
}

.article-body h3{
  font-size:20px;
  color:var(--primary);
  margin:24px 0 12px;
  line-height:1.45;
}

.article-body blockquote{
  margin:20px 0;
  padding:12px 18px;
  border-left:3px solid var(--accent);
  background:var(--accent-light);
  color:var(--muted);
  font-style:italic;
}

.article-body ul,
.article-body ol{
  margin:0 0 20px;
  padding-left:26px;
}

.article-body li{
  margin:6px 0;
}

.article-body a{
  color:var(--primary);
  text-decoration:underline;
}

.article-body img{
  max-width:100%;
  border-radius:12px;
  margin:12px 0;
  display:block;
}


/* ---------- 正文之下：说明（原布局不变） ---------- */

.article-disclaimer{
  margin-top:40px;
  padding:18px 22px;
  border-radius:16px;
  background:var(--accent-light);
  color:var(--muted);
  font-size:13px;
}


/* ---------- 手机端 ---------- */

@media (max-width:760px){
  .topbar .nav-wrap{ padding:10px 16px; gap:10px; }
  .article-brand{ gap:8px; }
  .article-brand-text .en{ font-size:17px; }
  .article-brand-text .cn{ font-size:12px; }
  .article-back-btn{ font-size:12px; padding:4px 10px; }
  .article-title-cn{ font-size:26px; }
  .article-title-en{ font-size:16px; }
  .article-hero-image{ border-radius:16px; }
}

@media (max-width:420px){
  .article-brand .brand-logo{ width:36px; height:36px; }
  .article-brand-text .en{ font-size:15px; }
  .article-brand-text .cn{ font-size:11px; }
  .article-back-btn{ font-size:11px; padding:3px 8px; }
}