/*
Theme Name: Default (Minimal Blog)
Description: 极简博客主题：黑白灰配色，单列正文 + 侧边栏，加载极快，适合纯内容 niche 博客。全响应式（PC / 平板 / 手机），通过 Google Mobile-Friendly Test。
Author: BCMS
Version: 1.0.0
Tags: minimal, blog, fast, seo, responsive
*/

/* ============================================================
 * 基础变量与重置
 * ============================================================ */
:root{
  --text: #1a1a1a;
  --sub: #666;
  --light: #999;
  --line: #e5e5e5;
  --bg: #ffffff;
  --bg-soft: #f7f7f7;
  --accent: #111111;
  --max: 1160px;
  --content: 700px;
  --radius: 4px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.75;
}
img{max-width:100%;height:auto;border:0;display:inline-block}
a{color:var(--text);text-decoration:none;border-bottom:1px solid var(--line);transition:border-color .15s}
a:hover{border-bottom-color:var(--text)}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700}
ul,ol{padding-left:1.4em}
blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 16px;color:var(--sub);margin:1.4em 0}
code{background:var(--bg-soft);padding:2px 6px;border-radius:var(--radius);font-size:.9em}
pre{background:#1a1a1a;color:#f5f5f5;padding:16px;border-radius:var(--radius);overflow-x:auto;line-height:1.6}
pre code{background:none;color:inherit;padding:0}
hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* 视频响应式容器（[video] 短代码 / 裸 iframe） */
.video-responsive{position:relative;width:100%;aspect-ratio:16/9;margin:1.4em 0;background:#000}
.video-responsive iframe,.video-responsive video{position:absolute;inset:0;width:100%;height:100%;border:0}

/* 表格横向滚动包裹 */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.4em 0}
.table-wrap table{border-collapse:collapse;min-width:480px}
.table-wrap th,.table-wrap td{border:1px solid var(--line);padding:8px 12px;text-align:left}
.table-wrap th{background:var(--bg-soft)}

/* ============================================================
 * 页头
 * ============================================================ */
.site-header{border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--max);margin:0 auto;padding:18px 20px;display:flex;align-items:center;gap:20px}
.site-brand{flex-shrink:0}
.site-brand .site-title{font-size:1.35rem;font-weight:800;border-bottom:none;letter-spacing:-.01em}
.site-brand .site-desc{font-size:.8rem;color:var(--light);margin-top:2px}
.main-nav{margin-left:auto;display:block}
.main-nav ul{list-style:none;display:flex;gap:6px}
.main-nav a{display:block;padding:10px 14px;border-bottom:none;font-size:.95rem;color:var(--sub);min-height:44px;min-width:44px}
.main-nav a:hover{color:var(--text)}
.main-nav ul ul{display:none;position:absolute;background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-width:180px;padding:6px 0;z-index:50}
.main-nav li{position:relative}
.main-nav li:hover>ul{display:block}
.main-nav ul ul a{padding:9px 16px}
.lang-switcher{display:flex;gap:4px;margin-left:12px;list-style:none}
.lang-switcher a{font-size:.8rem;padding:8px 8px;border-bottom:none;color:var(--light);min-height:36px;display:block}
.lang-switcher .current{color:var(--text);font-weight:700}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:var(--radius);
  width:44px;height:44px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text)}

/* ============================================================
 * 布局：桌面双栏
 * ============================================================ */
.site-main{max-width:var(--max);margin:0 auto;padding:34px 20px;display:flex;gap:44px;align-items:flex-start}
.content-area{flex:1;min-width:0;max-width:var(--content)}
.sidebar{width:300px;flex-shrink:0;position:sticky;top:24px}

/* ============================================================
 * 文章列表
 * ============================================================ */
.post-list{list-style:none}
.post-card{padding:26px 0;border-bottom:1px solid var(--line)}
.post-card:first-child{padding-top:0}
.post-thumb{display:block;margin-bottom:14px;border-bottom:none}
.post-thumb img{width:100%;border-radius:var(--radius)}
.post-card h2{font-size:1.45rem;margin-bottom:8px}
.post-card h2 a{border-bottom:none}
.post-card h2 a:hover{text-decoration:underline;text-underline-offset:3px}
.post-meta{font-size:.82rem;color:var(--light);margin-bottom:10px}
.post-meta a{color:var(--sub);border-bottom:none}
.post-meta a:hover{color:var(--text)}
.post-excerpt{color:var(--sub)}
.read-more{display:inline-block;margin-top:12px;font-size:.9rem;font-weight:600;border-bottom:1px solid var(--text);padding-bottom:1px}
.home-ad{margin:22px 0;text-align:center}
.home-ad:first-child{margin-top:0}

/* ============================================================
 * 文章详情
 * ============================================================ */
.breadcrumb{font-size:.8rem;color:var(--light);margin-bottom:18px}
.breadcrumb a{color:var(--sub);border-bottom:none}
.breadcrumb a:hover{color:var(--text)}
.breadcrumb .sep{margin:0 6px}
.single-title{font-size:2rem;margin-bottom:12px;letter-spacing:-.02em}
.single-meta{font-size:.85rem;color:var(--light);margin-bottom:26px;display:flex;gap:14px;flex-wrap:wrap}
.single-meta a{border-bottom:none;color:var(--sub)}
.single-featured{margin-bottom:28px}
.single-featured img{width:100%;border-radius:var(--radius)}
.entry-content{font-size:1.02rem}
.entry-content p{margin:0 0 1.3em}
.entry-content h2{font-size:1.5rem;margin:1.8em 0 .7em}
.entry-content h3{font-size:1.25rem;margin:1.6em 0 .6em}
.entry-content h4{font-size:1.08rem;margin:1.4em 0 .5em}
.entry-content img{border-radius:var(--radius)}
.entry-content a{color:#0366d6}
.single-ad{margin:26px 0;text-align:center}
.disclosure-box{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 16px;font-size:.85rem;color:var(--sub);margin-bottom:24px}

/* 相关文章 */
.related-posts{margin-top:44px;border-top:1px solid var(--line);padding-top:26px}
.related-posts h3{font-size:1.2rem;margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
.related-item img{width:100%;border-radius:var(--radius);margin-bottom:8px}
.related-item a{font-size:.92rem;font-weight:600;border-bottom:none;line-height:1.45;display:block}
.related-item a:hover{text-decoration:underline;text-underline-offset:3px}

/* 评分框（single 内展示） */
.rating-box{border:2px solid var(--accent);border-radius:var(--radius);padding:18px 20px;margin:26px 0}
.rating-box .rating-score{font-size:2.2rem;font-weight:800}
.rating-box .rating-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--sub)}
.rating-stars{color:#f5a623;letter-spacing:2px;font-size:1.1rem}

/* 页面 */
.page-title{font-size:2rem;margin-bottom:24px;letter-spacing:-.02em}

/* 归档头 */
.archive-head{margin-bottom:26px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.archive-head .kicker{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--light)}
.archive-head h1{font-size:1.7rem;margin-top:6px}
.archive-head .term-desc{color:var(--sub);margin-top:8px;font-size:.95rem}

/* ============================================================
 * 分页
 * ============================================================ */
.pagination{display:flex;gap:8px;margin-top:34px;flex-wrap:wrap}
.pagination .page-num,.pagination .dots{min-width:44px;min-height:44px;display:inline-flex;align-items:center;
  justify-content:center;border:1px solid var(--line);border-radius:var(--radius);font-size:.9rem;border-bottom:1px solid var(--line)}
.pagination .page-num:hover{border-color:var(--text)}
.pagination .current{background:var(--accent);color:#fff;border-color:var(--accent)}
.pagination .dots{border:none}

/* ============================================================
 * 侧边栏小工具
 * ============================================================ */
.widget{margin-bottom:30px}
.widget-title{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--light);
  margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.widget-body ul{list-style:none;padding:0}
.widget-body li{padding:7px 0;border-bottom:1px dashed var(--line);font-size:.92rem}
.widget-body li:last-child{border-bottom:none}
.widget-cats .cat-count{color:var(--light);font-size:.8rem}
.widget-posts a{display:flex;gap:10px;align-items:flex-start;border-bottom:none;padding:2px 0}
.wp-thumb{flex-shrink:0;width:64px}
.wp-thumb img{width:64px;height:48px;object-fit:cover;border-radius:3px}
.wp-title{flex:1;line-height:1.4}
.wp-date{display:block;font-size:.75rem;color:var(--light);margin-top:2px}
.widget-tagcloud .tag-item{display:inline-block;border:1px solid var(--line);border-radius:999px;
  padding:5px 13px;margin:0 6px 8px 0;font-size:.82rem;border-bottom:1px solid var(--line)}
.widget-tagcloud .tag-w2{font-size:.9rem}
.widget-tagcloud .tag-w3{font-size:.95rem;font-weight:600}
.widget-tagcloud .tag-w4{font-size:1rem;font-weight:700}
.widget-tagcloud .tag-w5{font-size:1.08rem;font-weight:800}
.widget-search{display:flex;gap:0}
.widget-search input{flex:1;min-width:0;border:1px solid var(--line);border-right:none;border-radius:var(--radius) 0 0 var(--radius);
  padding:0 12px;height:44px;font-size:.9rem}
.widget-search button{height:44px;min-width:44px;padding:0 14px;border:1px solid var(--accent);background:var(--accent);
  color:#fff;border-radius:0 var(--radius) var(--radius) 0;cursor:pointer;font-size:.9rem}
.widget-custom-html{font-size:.92rem}
.widget-ads{text-align:center}

/* ============================================================
 * 页脚
 * ============================================================ */
.site-footer{border-top:1px solid var(--line);margin-top:50px;background:var(--bg-soft)}
.footer-inner{max-width:var(--max);margin:0 auto;padding:30px 20px;text-align:center;color:var(--sub);font-size:.86rem}
.footer-copyright{margin-bottom:10px}
.footer-links{list-style:none;display:flex;gap:18px;justify-content:center;flex-wrap:wrap;padding:0;margin-bottom:10px}
.footer-links a{color:var(--sub);border-bottom:none}
.footer-links a:hover{color:var(--text)}
.footer-social{display:flex;gap:10px;justify-content:center;margin-bottom:10px}
.footer-social a{display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;color:var(--sub);border-bottom:1px solid var(--line)}
.footer-social a:hover{color:var(--text);border-color:var(--text)}
.footer-html{margin-top:6px}

/* Cookie Consent 横幅（seo.php 输出） */
#cc-banner{position:fixed;left:0;right:0;bottom:0;background:rgba(20,20,20,.97);color:#eee;z-index:999;
  padding:14px 20px;box-shadow:0 -2px 12px rgba(0,0,0,.2)}
#cc-banner .cc-inner{max-width:var(--max);margin:0 auto;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
#cc-banner .cc-msg{flex:1;min-width:240px;font-size:.88rem;line-height:1.6}
#cc-banner .cc-msg a{color:#9ecbff;border-bottom:none;text-decoration:underline}
#cc-banner .cc-actions{display:flex;gap:10px}
#cc-banner .cc-btn{min-height:44px;min-width:88px;padding:0 22px;border-radius:var(--radius);cursor:pointer;font-size:.9rem;border:none}
#cc-banner .cc-accept{background:#fff;color:#111}
#cc-banner .cc-decline{background:transparent;color:#ccc;border:1px solid #666}

/* ============================================================
 * 404 / 搜索
 * ============================================================ */
.not-found{text-align:center;padding:50px 0}
.not-found h1{font-size:2.4rem;margin-bottom:14px}
.not-found p{color:var(--sub);margin-bottom:24px}
.not-found .widget-search{max-width:420px;margin:0 auto 26px}
.search-query-note{font-size:.9rem;color:var(--sub);margin-bottom:20px}

/* ============================================================
 * 平板断点：768px ~ 1024px（侧边栏堆叠到底部）
 * ============================================================ */
@media (max-width:1024px){
  html{font-size:15.5px}
  .site-main{flex-direction:column;gap:10px}
  .content-area{max-width:100%;width:100%}
  .sidebar{position:static;width:100%;border-top:1px solid var(--line);margin-top:26px;padding-top:8px}
  .sidebar .widget{max-width:520px;margin-left:auto;margin-right:auto}
  .single-title{font-size:1.8rem}
}

/* ============================================================
 * 移动端断点：≤767px（单栏 + 汉堡菜单）
 * ============================================================ */
@media (max-width:767px){
  html{font-size:15px}
  .header-inner{padding:12px 16px;flex-wrap:wrap}
  .main-nav{display:none;width:100%;order:3;margin-left:0;border-top:1px solid var(--line)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:0}
  .main-nav li{border-bottom:1px dashed var(--line)}
  .main-nav li:last-child{border-bottom:none}
  .main-nav a{padding:12px 4px;color:var(--text);font-size:1rem}
  .main-nav ul ul{display:block;position:static;border:none;min-width:0;padding:0 0 0 18px;background:none}
  .main-nav ul ul a{color:var(--sub);font-size:.92rem;padding:9px 4px}
  .nav-toggle{display:flex}
  .lang-switcher{margin:4px 0 0}
  .site-main{padding:22px 16px}
  .post-card h2{font-size:1.22rem}
  .single-title{font-size:1.5rem}
  .single-meta{gap:10px}
  .related-grid{grid-template-columns:1fr 1fr;gap:12px}
  .entry-content{font-size:1rem}
  .pagination .page-num{min-width:44px}
  .footer-links{gap:12px}
  #cc-banner .cc-inner{flex-direction:column;align-items:stretch;text-align:left}
  #cc-banner .cc-actions{justify-content:stretch}
  #cc-banner .cc-btn{flex:1}
}