/* ============================================================
   聿恒科技工作室 — 前台内容页公共样式（page.css）
   列表页 + 详情页 + 富文本排版 + 上一篇/下一篇
   ============================================================ */

/* 通用容器 */
.page{max-width:1100px;margin:0 auto;padding:60px 32px 90px;}
.page-narrow{max-width:880px;margin:0 auto;padding:56px 32px 90px;}

/* 页头 */
.page-head{margin-bottom:44px;}
.page-head .back{display:inline-block;font-size:13px;color:var(--text-3);margin-bottom:20px;transition:color .2s;}
.page-head .back:hover{color:var(--blue-light);}
.page-head h1{font-size:42px;font-weight:700;letter-spacing:1px;margin-bottom:12px;}
.page-head .desc{font-size:14px;color:var(--text-3);}
.page-head .count{display:inline-block;font-size:13px;color:var(--blue-light);margin-left:10px;font-weight:500;}

/* 心得列表（行 + 摘要） */
.note-list{border-top:1px solid var(--line);}
.note-list .note{display:flex;align-items:center;gap:28px;padding:26px 0;border-bottom:1px solid var(--line);transition:padding .25s;}
.note-list .note:hover{padding-left:10px;}
.note-list .note-main{flex:1;min-width:0;}
.note-list .note-side{flex-shrink:0;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.note-list .n-title{font-size:20px;font-weight:600;color:var(--text);transition:color .3s;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.note-list .note:hover .n-title{color:var(--blue-light);}
.note-list .n-summary{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.note-list .n-date{font-size:13px;color:var(--text-3);font-family:"SF Mono",Consolas,monospace;white-space:nowrap;}
.note-list .n-tag{font-size:12px;color:var(--blue-light);padding:3px 12px;border-radius:20px;background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.22);white-space:nowrap;}

/* 卡片网格（项目 / 服务列表共用） */
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.card-grid a.card-link{display:block;color:inherit;}
.card-grid .project{
  background:var(--bg-2);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .3s cubic-bezier(.4,0,.2,1),border-color .3s,box-shadow .3s;
}
.card-grid .project:hover{transform:translateY(-6px);border-color:var(--blue);box-shadow:0 20px 46px rgba(59,130,246,.18);}
.card-grid .p-cover{
  height:150px;display:flex;align-items:flex-end;padding:18px 22px;
  color:#fff;font-size:20px;font-weight:700;letter-spacing:1px;flex-shrink:0;
  background:linear-gradient(135deg,#1d4ed8,#2563eb);
}
.card-grid .p-cover span{transition:transform .4s cubic-bezier(.4,0,.2,1);}
.card-grid .project:hover .p-cover span{transform:scale(1.06);transform-origin:left bottom;}
.card-grid .p-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-grid .p-body h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.card-grid .p-body p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:14px;flex:1;}
.card-grid .tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px;}
.card-grid .ptag{font-size:12px;padding:3px 11px;border-radius:6px;background:rgba(59,130,246,.12);color:var(--blue-light);}
.card-grid .more-hint{font-size:13px;color:var(--blue-light);font-weight:500;}

/* 服务卡片 */
.card-grid .service{
  background:var(--bg-2);border:1px solid var(--line);border-radius:16px;
  padding:28px 26px;height:100%;
  transition:transform .3s cubic-bezier(.4,0,.2,1),border-color .3s,box-shadow .3s;
}
.card-grid .service:hover{transform:translateY(-6px);border-color:var(--blue);box-shadow:0 20px 46px rgba(59,130,246,.18);}
.card-grid .s-icon{
  width:52px;height:52px;border-radius:14px;background:rgba(59,130,246,.14);color:var(--blue-light);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:all .3s;
}
.card-grid .service:hover .s-icon{background:var(--blue);color:#fff;transform:scale(1.08);}
.card-grid .service h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.card-grid .service p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:14px;}
.card-grid .service .more-hint{font-size:13px;color:var(--blue-light);}

/* 详情页 */
.detail-meta{display:flex;align-items:center;gap:14px;margin-bottom:22px;flex-wrap:wrap;}
.detail-title{font-size:36px;font-weight:700;line-height:1.3;margin-bottom:18px;}
.detail-cover{
  height:220px;border-radius:16px;display:flex;flex-direction:column;
  align-items:flex-start;justify-content:flex-end;padding:28px 32px;
  color:#fff;background:linear-gradient(135deg,#1d4ed8,#2563eb);margin-bottom:28px;
}
.detail-cover .cover-name{font-size:30px;font-weight:700;letter-spacing:1px;margin-bottom:10px;}
.detail-cover .cover-tags{display:flex;flex-wrap:wrap;gap:8px;}
.detail-cover .cover-tag{font-size:12px;padding:3px 12px;border-radius:20px;background:rgba(255,255,255,.18);color:#fff;}
.detail-summary{
  font-size:16px;color:var(--text-2);line-height:1.8;padding:16px 20px;
  border-left:3px solid var(--blue);background:var(--bg-2);
  border-radius:0 8px 8px 0;margin-bottom:32px;
}
.detail-action{margin-top:8px;margin-bottom:32px;}

/* 上一篇 / 下一篇 */
.post-nav{display:flex;gap:16px;margin-top:52px;padding-top:26px;border-top:1px solid var(--line);}
.post-nav a{
  flex:1;display:block;padding:16px 20px;border:1px solid var(--line);border-radius:12px;
  background:var(--bg-2);transition:all .25s;min-width:0;
}
.post-nav a:hover{border-color:var(--blue);transform:translateY(-2px);}
.post-nav .nav-label{font-size:12px;color:var(--text-3);margin-bottom:6px;}
.post-nav .nav-title{font-size:14px;color:var(--text);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.post-nav .nav-next{text-align:right;}
.post-nav .nav-disabled{opacity:.35;pointer-events:none;}

/* 富文本正文排版 */
.rich{font-size:16px;line-height:1.9;color:var(--text);}
.rich p{margin-bottom:16px;}
.rich img{max-width:100%;border-radius:8px;}
.rich h1,.rich h2,.rich h3{margin:26px 0 12px;line-height:1.4;}
.rich h2{font-size:23px;}
.rich h3{font-size:19px;}
.rich ul,.rich ol{padding-left:24px;margin-bottom:16px;}
.rich li{margin-bottom:6px;}
.rich blockquote{
  margin:16px 0;padding:12px 20px;border-left:3px solid var(--line-2);
  color:var(--text-2);background:var(--bg-2);border-radius:0 8px 8px 0;
}
.rich code{
  font-family:"SF Mono",Consolas,monospace;font-size:14px;
  background:rgba(59,130,246,.1);color:var(--blue-light);
  padding:2px 6px;border-radius:4px;
}
.rich pre{
  background:var(--bg-2);border:1px solid var(--line);border-radius:10px;
  padding:16px;overflow:auto;margin-bottom:16px;
}
.rich pre code{background:transparent;color:var(--text);padding:0;}
.rich table{width:100%;border-collapse:collapse;margin-bottom:16px;}
.rich th,.rich td{border:1px solid var(--line);padding:8px 12px;text-align:left;font-size:14px;}
.rich th{background:var(--bg-2);}
.rich strong{color:var(--blue-light);}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:48px;}
.pager .page-info{font-size:14px;color:var(--text-3);}
.pager .page-link{font-size:14px;padding:8px 18px;border:1px solid var(--line-2);border-radius:8px;color:var(--text-2);transition:all .2s;}
.pager .page-link:hover{border-color:var(--blue);color:var(--blue-light);}
.pager .page-link.disabled{opacity:.4;pointer-events:none;}

/* 详情页补充 */
.ptag{font-size:12px;padding:3px 11px;border-radius:6px;background:rgba(59,130,246,.12);color:var(--blue-light);}
.detail-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.detail-date{font-size:13px;color:var(--text-3);font-family:"SF Mono",Consolas,monospace;}
.demo-btn{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:#fff;background:var(--blue);border-radius:8px;padding:11px 24px;transition:all .2s;}
.demo-btn:hover{background:#2563eb;transform:translateY(-2px);}
.s-icon-big{width:64px;height:64px;border-radius:16px;background:rgba(59,130,246,.14);color:var(--blue-light);display:flex;align-items:center;justify-content:center;margin-bottom:22px;}
.s-icon-big svg{width:30px;height:30px;}

/* 响应式 */
@media(max-width:768px){
  .page,.page-narrow{padding:40px 20px 70px;}
  .page-head h1{font-size:30px;}
  .detail-title{font-size:26px;}
  .detail-cover{height:160px;padding:20px 22px;}
  .detail-cover .cover-name{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .post-nav{flex-direction:column;}
}

/* 关于页 */
.about-big{font-size:30px;font-weight:700;line-height:1.5;margin-bottom:24px;}
.about-intro{font-size:15px;color:var(--text-2);line-height:1.9;margin-bottom:8px;}
.stats{display:flex;flex-wrap:wrap;gap:48px;margin-top:34px;padding-top:28px;border-top:1px solid var(--line);}
.stat .num{font-size:36px;font-weight:700;color:var(--blue-light);line-height:1;}
.stat .label{font-size:13px;color:var(--text-3);margin-top:8px;}

/* 联系页 */
.contact-list{display:flex;flex-direction:column;gap:14px;}
.contact-item{display:flex;align-items:center;gap:14px;padding:16px 18px;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;transition:all .25s;}
.contact-item:hover{border-color:var(--blue);transform:translateX(6px);box-shadow:0 8px 22px rgba(59,130,246,.12);}
.contact-item .c-ico{width:40px;height:40px;border-radius:10px;background:rgba(59,130,246,.14);color:var(--blue-light);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .25s;}
.contact-item:hover .c-ico{background:var(--blue);color:#fff;}
.contact-item .c-label{font-size:12px;color:var(--text-3);letter-spacing:1px;}
.contact-item .c-val{font-size:15px;color:var(--text);font-weight:500;}
.qr-placeholder{width:100%;height:130px;border:1px dashed var(--line-2);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:12px;text-align:center;line-height:1.5;margin-top:16px;}