/* ============================================================
   酷越 AI 导航 · P0 统一层 v1  (site-unify.css)
   加载顺序：style.css → design-system.css → site-unify.css
   作用：把 884 篇文章 / 270 个工具页 / 分类与列表页
        统一到新设计系统（靛蓝主色 · flat · hairline · 8px 圆角）
   ============================================================ */

:root{
  --primary:#185FA5;
  --primary-dark:#134B83;
  --primary-light:#E8F1F9;
  --accent:#D85A30;
  --accent-dark:#B94A26;
  --bg:#F7F8FA;
  --card:#FFFFFF;
  --card-hover:#FAFBFC;
  --text:#2C2C2A;
  --text-light:#5F5E5A;
  --text-muted:#888780;
  --border:rgba(0,0,0,.08);
  --border-focus:#9CC0E0;
  --radius:8px;
  --radius-sm:6px;
  --radius-lg:12px;
  --radius-xl:12px;
  --shadow:none;
  --shadow-md:none;
  --shadow-hover:none;
  --shadow-glow:0 0 0 3px rgba(24,95,165,.12);
  --gradient-primary:#185FA5;
  --gradient-hero:#185FA5;
  --gradient-card-hover:none;
  --glass-bg:#FFFFFF;
  --glass-border:rgba(0,0,0,.08);
}

body{
  font-family:var(--cy-font,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif);
  background:var(--bg);
  color:var(--text);
}

/* ---------- 顶栏 ---------- */
.header{
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:none;
}
.header-inner{
  max-width:1200px;
  padding:0 20px;
  gap:12px;
}
.logo img{height:36px;}
.nav{gap:2px;}
.nav a{
  padding:8px 11px;
  font-size:14px;
  font-weight:500;
  color:var(--text-light);
  border-radius:6px;
  transition:background .15s ease,color .15s ease;
}
.nav a:hover{background:#F3F8FD;color:var(--primary);}
.nav a.active{background:var(--primary-light);color:var(--primary);font-weight:600;}

/* 工具库下拉 */
.nav-dropdown{position:relative;display:flex;align-items:center;}
.nav-drop-toggle{display:inline-flex;align-items:center;gap:4px;cursor:pointer;}
.nav-drop-toggle svg{opacity:.6;}
.nav-drop-menu{
  position:absolute;top:calc(100% + 6px);left:0;min-width:176px;
  background:#fff;border:1px solid var(--border);border-radius:8px;
  padding:6px;display:none;z-index:120;
}
.nav-dropdown:hover .nav-drop-menu,
.nav-dropdown:focus-within .nav-drop-menu{display:block;}
.nav-drop-menu a{
  display:block;padding:7px 10px;font-size:13.5px;border-radius:5px;white-space:nowrap;
}
.nav-drop-menu a:hover{background:#F3F8FD;color:var(--primary);}

/* 登录区 */
.header-login{
  display:flex;align-items:center;gap:8px;margin-left:8px;flex-shrink:0;
}
.cy-user-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--text);max-width:140px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.cy-user-avatar{
  width:26px;height:26px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:600;flex-shrink:0;
}

/* ---------- 区块标题 ---------- */
.section-title{
  font-size:22px;
  font-weight:600;
  letter-spacing:0;
  padding-left:0;
  color:var(--text);
}
.section-title::before{display:none;}

/* ---------- 卡片 ---------- */
.tool-card{
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  padding:18px 14px;
  transition:border-color .15s ease,background .15s ease;
}
.tool-card::before{display:none;}
.tool-card:hover{
  border-color:#9CC0E0;
  background:#FCFDFE;
  transform:none;
  box-shadow:none;
}
.article-card{
  border:1px solid var(--border);
  border-top:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  overflow:hidden;
}
.article-card:hover{
  border-color:#9CC0E0;
  transform:none;
  box-shadow:none;
}
.tool-card, .article-card, .card{border-radius:8px;}

/* ---------- 文章正文 ---------- */
.article-content{max-width:760px;}
.article-content h2{
  font-size:22px;
  font-weight:600;
  border-bottom:1px solid var(--border);
  padding-bottom:6px;
  margin:32px 0 14px;
}
.article-content h3{font-size:17px;font-weight:600;}
.article-content p{font-size:16px;line-height:1.85;}
.article-content img{border-radius:6px;}
.article-content blockquote{
  border-left:2px solid var(--primary);
  background:#F7FAFD;
  padding:10px 14px;
  color:var(--text-light);
}

/* ---------- 页脚 ---------- */
.footer{
  background:#F2F4F7;
  border-top:1px solid var(--border);
  color:var(--text-light);
}
.footer h3,.footer h4,.footer .footer-title{color:var(--text);font-weight:600;}
.footer a{color:var(--text-light);}
.footer a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--border);
  color:var(--text-muted);
}
.footer-bottom a{color:var(--text-muted);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 按钮 ---------- */
.btn-use-tool{
  background:var(--primary);
  border-radius:8px;
  font-weight:600;
  box-shadow:none;
}
.btn-use-tool:hover{background:var(--primary-dark);}
.btn-official{
  border:1px solid rgba(0,0,0,.14);
  border-radius:8px;
  font-weight:500;
}
.btn-official:hover{border-color:var(--primary);color:var(--primary);}
.btn-back-home,.btn-back-home-detail,.btn-back{
  border-radius:8px;
  background:var(--primary);
  font-weight:500;
}
.btn-back,.btn-official{background:#fff;color:var(--text);}
.btn-free{background:var(--primary-light);color:var(--primary);border-radius:6px;}
.cat-btn,.filter-btn{border-radius:6px;}
.filter-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;}

/* ---------- 表单 ---------- */
input[type="text"],input[type="email"],input[type="password"],input[type="search"],textarea,select{
  border-radius:6px;
}
input:focus,textarea:focus,select:focus{
  outline:none;
  border-color:var(--border-focus);
  box-shadow:var(--shadow-glow);
}

/* ---------- 登录弹窗 ---------- */
.auth-modal{
  border-radius:12px;
  border:1px solid var(--border);
  box-shadow:none;
  background:#fff;
}
.auth-modal-overlay{background:rgba(24,24,24,.45);}
.auth-tab{border-radius:6px;}
.auth-tab.active{color:var(--primary);}
.btn-auth-submit{
  background:var(--primary);
  border-radius:8px;
  font-weight:500;
}
.btn-auth-submit:hover{background:var(--primary-dark);}
.auth-form-group input{height:42px;}
.auth-error{color:#D14343;}

/* ---------- 榜单/侧栏等通用块 ---------- */
.rank-item,.sidebar-card,.widget{border-radius:8px;box-shadow:none;}
.sidebar-card{border:1px solid var(--border);}
.rank-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
.rank-cat,.rank-item,.rank-info{min-width:0;}
.rank-name,.rank-desc{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 移动端 ---------- */
@media (max-width:768px){
  .header-inner{padding:0 14px;}
  .logo img{height:32px;}
  .nav-dropdown{display:block;width:100%;}
  .nav-drop-toggle{display:none;}
  .nav-drop-menu{
    position:static;display:block;border:none;padding:0 0 0 12px;
    min-width:0;background:transparent;
  }
  .nav-drop-menu a{padding:6px 10px;font-size:13px;color:var(--text-muted);}
  .header-login{margin-left:auto;}
  .header-login .cy-btn{padding:0 10px;font-size:12px;}
  .section-title{font-size:19px;}
}

/* 修复榜单区在窄屏的横向溢出 */
@media (max-width:640px){
  .rank-grid{grid-template-columns:1fr;}
}

/* ============================================================
   P1 · 文章目录 / 评论区 / 收藏
   ============================================================ */
.article-layout{display:grid;grid-template-columns:minmax(0,720px) 220px;gap:40px;max-width:1040px;margin:0 auto;align-items:start;}
.article-layout .article-content{max-width:720px;width:100%;margin:0;padding-left:0;padding-right:0;}
.article-toc{position:sticky;top:88px;border-left:1px solid var(--border);padding-left:16px;max-height:calc(100vh - 120px);overflow:auto;}
.toc-title{font-size:12px;color:var(--text-muted);letter-spacing:.08em;margin-bottom:8px;}
.toc-nav{display:flex;flex-direction:column;gap:2px;}
.toc-link{font-size:13px;color:var(--text-light);padding:4px 0 4px 10px;margin-left:-17px;border-left:2px solid transparent;line-height:1.45;}
.toc-link:hover{color:var(--primary);}
.toc-link.active{color:var(--primary);border-left-color:var(--primary);font-weight:600;}
.toc-lv3{padding-left:22px;font-size:12.5px;color:var(--text-muted);}
.article-toc-mobile{display:none;}

@media (max-width:1000px){
  .article-layout{grid-template-columns:1fr;gap:0;}
  .article-toc{display:none;}
  .article-toc-mobile{display:block;max-width:760px;margin:14px auto 0;border:1px solid var(--border);border-radius:8px;padding:10px 14px;background:#fff;}
  .article-toc-mobile summary{cursor:pointer;font-size:13.5px;color:var(--text);font-weight:500;}
  .article-toc-mobile .toc-nav{margin-top:10px;}
}

/* 评论区 */
.cy-comments{max-width:720px;margin:34px auto 10px;padding-top:22px;border-top:1px solid var(--border);}
.cy-comments-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:12px;}
.cy-comments-title{font-size:18px;font-weight:600;color:var(--text);}
.cy-count{font-size:13px;color:var(--text-muted);margin-left:4px;font-weight:400;}
.cy-fav-btn{border:1px solid var(--border);background:#fff;border-radius:6px;padding:6px 12px;font-size:13px;cursor:pointer;color:var(--text-light);}
.cy-fav-btn:hover{border-color:var(--primary);color:var(--primary);}
.cy-fav-btn.on{color:var(--primary);border-color:var(--primary);background:var(--primary-light);}
.cy-form{border:1px solid var(--border);border-radius:8px;padding:14px;margin-bottom:16px;background:#fff;}
.cy-author-row{display:flex;gap:10px;align-items:center;margin-bottom:8px;flex-wrap:wrap;}
.cy-author{flex:1;min-width:160px;height:34px;border:1px solid var(--border);border-radius:6px;padding:0 10px;font-size:13px;}
.cy-login-tip{font-size:12px;color:var(--primary);text-decoration:none;}
.cy-as{font-size:13px;color:var(--text-light);}
.cy-textarea{width:100%;border:1px solid var(--border);border-radius:6px;padding:10px;font-size:14px;line-height:1.7;resize:vertical;font-family:inherit;color:var(--text);}
.cy-textarea:focus{outline:none;border-color:var(--border-focus);}
.cy-stars{margin-bottom:8px;font-size:20px;color:#D9D3C8;line-height:1;}
.cy-stars .star{cursor:pointer;margin-right:2px;}
.cy-stars .star.active{color:#BA7517;}
.cy-star-label{font-size:12px;color:var(--text-muted);margin-left:8px;vertical-align:middle;}
.cy-form-foot{display:flex;justify-content:space-between;align-items:center;margin-top:8px;gap:10px;}
.cy-counter{font-size:12px;color:var(--text-muted);}
.cy-submit{background:var(--primary);color:#fff;border:none;border-radius:6px;padding:8px 18px;font-size:14px;cursor:pointer;}
.cy-submit:hover{background:var(--primary-dark);}
.cy-submit:disabled{opacity:.6;cursor:default;}
.cy-error{font-size:12.5px;margin-top:6px;min-height:16px;}
.cy-empty{font-size:13px;color:var(--text-muted);padding:14px 4px;}
.cy-list{list-style:none;padding:0;margin:0;}
.cy-list li{border-bottom:1px solid var(--border);padding:14px 4px;}

/* 工具页评论区宽度 */
.tool-main .cy-comments{max-width:900px;margin-left:auto;margin-right:auto;}

/* 首页精简：隐藏低价值区块（12 → 7） */
#articleIndexSection,#spotlightSection,#newSection{display:none!important;}

/* ============================================================
   P1 · 榜单 / 专题 / 用户中心
   ============================================================ */
.p1-main{max-width:1100px;margin:0 auto;padding:28px 20px 64px;}
.p1-hero{padding:18px 0 24px;border-bottom:1px solid var(--border);margin-bottom:26px;}
.p1-kicker{font-size:11.5px;letter-spacing:.14em;color:var(--text-muted);}
.p1-hero h1{font-size:30px;font-weight:600;margin:8px 0;letter-spacing:-.01em;}
.p1-hero p{font-size:14.5px;color:var(--text-light);max-width:720px;line-height:1.8;}
.rk-block{margin:0 0 34px;}
.rk-title{font-size:20px;font-weight:600;display:flex;align-items:baseline;gap:8px;border-bottom:1px solid var(--border);padding-bottom:8px;margin-bottom:10px;}
.rk-title span{font-size:12px;color:var(--text-muted);font-weight:400;}
.rk-list{display:flex;flex-direction:column;}
.rk-card{display:flex;align-items:center;gap:14px;padding:12px 10px;border-bottom:1px solid var(--border);text-decoration:none;color:inherit;}
.rk-card:hover{background:#F7FAFD;}
.rk-rank{font-family:var(--mono,Consolas,monospace);font-size:13px;color:var(--text-muted);width:26px;flex-shrink:0;}
.rk-rank.top{color:var(--accent);font-weight:600;}
.rk-icon{width:34px;height:34px;border-radius:8px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0;}
.rk-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}
.rk-main b{font-size:14.5px;font-weight:600;}
.rk-main small{font-size:12.5px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rk-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted);flex-shrink:0;}
.rk-meta i{font-style:normal;}
.rk-meta em{font-style:normal;color:var(--text-light);}
.rk-meta strong{color:var(--primary);font-size:14px;}
.rk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.rk-section-title{font-size:22px;font-weight:600;margin:6px 0 18px;}
.rk-more{text-align:right;font-size:12.5px;margin-top:8px;}
.rk-more a{color:var(--primary);text-decoration:none;}
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.topic-card{border:1px solid var(--border);border-radius:8px;padding:20px;text-decoration:none;color:inherit;background:#fff;display:block;}
.topic-card:hover{border-color:#9CC0E0;}
.topic-count{font-size:11.5px;color:var(--text-muted);}
.topic-card h3{font-size:18px;font-weight:600;margin:6px 0 8px;}
.topic-card p{font-size:13.5px;color:var(--text-light);line-height:1.7;}
.topic-go{font-size:12.5px;color:var(--primary);margin-top:10px;display:inline-block;}
.topic-articles{list-style:none;padding:0;margin:0;}
.topic-articles li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px;}
.topic-articles a{color:var(--text);text-decoration:none;}
.topic-articles a:hover{color:var(--primary);}
.topic-articles span{font-size:12px;color:var(--text-muted);white-space:nowrap;}
.uc-panel{max-width:760px;}
.uc-user{display:flex;align-items:center;gap:14px;border:1px solid var(--border);border-radius:8px;padding:18px;margin-bottom:24px;background:#fff;}
.uc-avatar{width:48px;height:48px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;}
.uc-info{flex:1;}
.uc-info h3{font-size:17px;font-weight:600;}
.uc-info p{font-size:12.5px;color:var(--text-muted);margin-top:2px;}
.uc-guest{border:1px solid var(--border);border-radius:8px;padding:22px;margin-bottom:24px;background:#fff;}
.uc-guest h3{font-size:17px;margin-bottom:6px;}
.uc-guest p{font-size:13.5px;color:var(--text-light);margin-bottom:14px;}
.uc-section-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);padding-bottom:8px;margin-bottom:8px;}
.uc-section-head h3{font-size:16px;font-weight:600;}
.uc-favs{list-style:none;padding:0;margin:0;}
.uc-favs li{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px;}
.uc-favs a{color:var(--text);text-decoration:none;}
.uc-favs a:hover{color:var(--primary);}
.uc-favs span{font-size:12px;color:var(--text-muted);}
.uc-empty{font-size:13px;color:var(--text-muted);}
@media(max-width:700px){
  .rk-grid,.topic-grid{grid-template-columns:1fr;}
  .rk-meta i{display:none;}
  .p1-hero h1{font-size:24px;}
}

.article-toc .toc-link{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.auth-code-row{display:flex;gap:8px;align-items:center;}
.auth-code-row input{flex:1;min-width:0;}
.auth-code-btn{height:42px;padding:0 12px;border:1px solid var(--border);border-radius:6px;background:#fff;font-size:12.5px;color:var(--primary);cursor:pointer;white-space:nowrap;}
.auth-code-btn:disabled{opacity:.6;cursor:default;}