/* 众智商学院 前台公共样式（文章列表 / 文章详情 / 在线留言） */
body{font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;color:#0f172a;background:#f8fafc;line-height:1.8;-webkit-font-smoothing:antialiased}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
.pg-title{font-size:clamp(1.4rem,4vw,1.9rem);font-weight:800;margin:34px 0 8px;color:#0f172a}
.pg-sub{color:#64748b;font-size:.95rem;margin-bottom:26px}

/* 文章列表 */
.art-list{list-style:none;padding:0}
.art-list li{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:20px 22px;margin-bottom:14px;box-shadow:0 2px 10px rgba(0,0,0,.03)}
.art-list li h2{margin:0 0 8px;font-size:1.15rem}
.art-list li h2 a{color:#0f172a;text-decoration:none}
.art-list li h2 a:hover{color:#b8860b}
.art-list .meta{font-size:.82rem;color:#64748b;margin-bottom:8px}
.art-list .meta .cat{display:inline-block;background:#fef9e7;color:#92400e;border:1px solid rgba(184,134,11,.25);border-radius:10px;padding:1px 10px;margin-right:8px;font-size:.8rem}
.art-list .desc{color:#334155;font-size:.92rem}
.empty{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:50px 20px;text-align:center;color:#64748b}
.pager{display:flex;gap:8px;margin:26px 0;flex-wrap:wrap}
.pager a,.pager span{display:inline-block;padding:6px 12px;border:1px solid #e2e8f0;border-radius:8px;background:#fff;color:#334155;text-decoration:none;font-size:.9rem}
.pager .cur{background:#0f172a;color:#fff;border-color:#0f172a}

/* 文章详情 */
.bc{padding:22px 0 0;font-size:.85rem;color:#64748b}
.bc a{color:#b8860b;text-decoration:none}
.bc + .pg-title{margin-top:14px}
article{padding:18px 0 30px}
article h1{font-size:clamp(1.3rem,4vw,1.8rem);font-weight:800;margin-bottom:12px;line-height:1.35}
article .meta{font-size:.85rem;color:#64748b;padding-bottom:14px;border-bottom:1px solid #e2e8f0;margin-bottom:18px}
article .meta .cat{display:inline-block;background:#fef9e7;color:#92400e;border:1px solid rgba(184,134,11,.25);border-radius:10px;padding:1px 10px;margin-right:8px}
.content{font-size:1rem}
.content h2{font-size:1.2rem;font-weight:700;color:#334155;margin:26px 0 10px;padding-bottom:6px;border-bottom:2px solid #e2e8f0}
.content h3{font-size:1.05rem;font-weight:700;color:#334155;margin:20px 0 8px}
.content p{margin-bottom:12px}
.content ul,.content ol{margin:8px 0 12px 22px}
.content li{margin-bottom:5px}
.content strong{color:#92400e}
.content table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.9rem;background:#fff;border:1px solid #e2e8f0}
.content table th{background:#0f172a;color:#fff;padding:10px 14px;text-align:left;font-weight:600}
.content table td{padding:10px 14px;border-bottom:1px solid #e2e8f0}
.content img{max-width:100%;height:auto;border-radius:10px}
.back{margin:10px 0 40px}
.back a{color:#b8860b;text-decoration:none;font-size:.9rem}

/* 留言表单 */
.ly-box{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:28px;max-width:640px}
.ly-box label{display:block;font-size:.9rem;color:#334155;margin:16px 0 6px;font-weight:600}
.ly-box input[type=text],.ly-box input[type=tel],.ly-box textarea{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:8px;font-size:.95rem;font-family:inherit;box-sizing:border-box}
.ly-box input:focus,.ly-box textarea:focus{outline:none;border-color:#b8860b;box-shadow:0 0 0 2px rgba(184,134,11,.15)}
.ly-box .btn{display:inline-block;margin-top:22px;padding:12px 34px;border:none;border-radius:24px;background:#b8860b;color:#fff;font-size:1rem;font-weight:700;cursor:pointer}
.ly-box .btn:hover{background:#a07509}
.ly-box .hp{position:absolute;left:-9999px;top:-9999px}
.ly-ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0;border-radius:12px;padding:18px 22px;margin-bottom:16px}
.ly-err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:12px;padding:14px 18px;margin-bottom:14px;font-size:.92rem}
.ly-tip{font-size:.82rem;color:#64748b;margin-top:14px}

/* ==========================================================================
   页头 / 导航 / 页脚
   这些块由 /includes.js 从 /inc/shell.html 注入到 #site-header / #site-footer。
   静态 HTML 页面各自在 <style> 里带一份同样的规则；本文件是给
   liuyan.php / articles.php / article.php 这三个只用 pub.css 的页面补上，
   保证页头页脚与全站其它页面完全一致。
   ========================================================================== */
html,body{margin:0;padding:0}
.site-header,.site-header *,.site-header *::before,.site-header *::after,
.footer-bar,.footer-bar *{box-sizing:border-box}
.site-header{position:sticky;top:0;z-index:1000;background:linear-gradient(90deg,#0f172a 0%,#1e293b 100%);border-bottom:2px solid rgba(184,134,11,.55);box-shadow:0 2px 14px rgba(15,23,42,.25)}
.site-header nav{margin:0;padding:0;border:none;background:none;box-shadow:none;display:flex;align-items:center;gap:2px}
.site-header nav a{margin:0;display:inline-block;color:rgba(255,255,255,.86);text-decoration:none;font-size:.9rem;font-weight:500;line-height:1.6;padding:8px 12px;border-radius:8px;white-space:nowrap;transition:background .2s,color .2s}
.site-header nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.site-header nav a.active{color:#fde68a;background:rgba(184,134,11,.22);font-weight:700}
.header-inner{max-width:1100px;margin:0 auto;padding:0 20px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.2;text-decoration:none;min-width:0}
.brand-name{font-size:1.18rem;font-weight:800;color:#fff;letter-spacing:.5px}
.brand-sub{font-size:.68rem;color:rgba(255,255,255,.55);letter-spacing:.5px;white-space:nowrap}
.site-header nav a.nav-phone{margin-left:8px;background:linear-gradient(135deg,#b8860b,#d4a017);color:#fff;font-weight:800;border-radius:20px;padding:7px 16px}
.site-header nav a.nav-phone:hover{background:#a07509;color:#fff}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.footer-bar img{max-width:100%;height:auto}

@media(max-width:920px){
  .header-inner{height:58px}
  .nav-toggle{display:flex}
  .site-header nav{position:absolute;top:58px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#0f172a;border-top:1px solid rgba(184,134,11,.35);padding:8px 20px 14px;display:none;box-shadow:0 10px 20px rgba(0,0,0,.25)}
  .site-header nav.open{display:flex}
  .site-header nav a{padding:12px 10px;font-size:.95rem;border-bottom:1px solid rgba(255,255,255,.07);border-radius:0}
  .site-header nav a.active{background:rgba(184,134,11,.18)}
  .site-header nav a.nav-phone{margin:10px 0 0;text-align:center;border-radius:10px}
}

/* 留言页 / 文章页在窄屏下的细节收尾 */
@media(max-width:560px){
  .wrap{padding:0 16px}
  .pg-title{margin:24px 0 6px}
  .ly-box{padding:20px 16px;border-radius:12px}
  /* 16px 可避免 iOS Safari 聚焦输入框时自动放大页面 */
  .ly-box input[type=text],.ly-box input[type=tel],.ly-box textarea{font-size:16px;padding:12px}
  .ly-box .btn{display:block;width:100%;margin-top:20px;padding:14px 0;font-size:1.02rem}
  .ly-ok,.ly-err{padding:15px 16px;font-size:.95rem}
  .art-list li{padding:16px 16px;border-radius:12px}
  .content table{font-size:.85rem}
  .content table th,.content table td{padding:8px 10px}
}