/*
 * laolicms 网站综合管理系统 v1.0.0
 * 作者：丿king　　联系 QQ：1735737677
 * 本文件作用：壁纸频道三套版式（频道首页 / 列表页 / 内页）专用样式，旧站 bz.php、bzlb.php、bzny.php 页内样式的整理版；新类统一 bizhi- 前缀
 * 变量：无（纯样式，被 pc/index_bizhi.html、pc/lists_bizhi.html、pc/view_bizhi.html 引用）
 * 文件路径：application/template/laoli/public/pc/css/sub_bizhi.css
 */

/* 壁纸首页只出「最新发布 / 热门壁纸」两栏，把公共三栏面板铺满 */
.bizhi-home .sub-three-wrap{grid-template-columns:repeat(2,minmax(0,1fr));}
.bizhi-group-count{margin-left:6px;font-size:12px;font-weight:400;color:#999;}

/* 首页随机大图：瀑布流（多列排，图片保持原始比例） */
.bizhi-waterfall{column-count:4;column-gap:12px;}
.bizhi-wf-item{display:block;position:relative;margin:0 0 12px;break-inside:avoid;-webkit-column-break-inside:avoid;border-radius:8px;overflow:hidden;background:#f2f3f5;line-height:0;}
.bizhi-wf-item img{display:block;width:100%;height:auto;}
.bizhi-wf-name{position:absolute;left:0;right:0;bottom:0;display:block;padding:26px 10px 9px;font-size:13px;line-height:1.4;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.72));opacity:0;transition:opacity .25s;}
.bizhi-wf-item:hover .bizhi-wf-name{opacity:1;}
@media (max-width:1100px){.bizhi-waterfall{column-count:3;}}
@media (max-width:768px){.bizhi-waterfall{column-count:2;}.bizhi-wf-name{opacity:1;}}
@media (max-width:460px){.bizhi-waterfall{column-count:1;}}

/* 4 列纯图网格（列表页 / 分类预览 / 底部随机组） */
.bizhi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;}
.bizhi-grid-none{grid-column:1 / -1;}
.bizhi-cell{position:relative;display:block;border-radius:8px;overflow:hidden;background:#f2f3f5;line-height:0;}
.bizhi-cell a{display:block;text-decoration:none;}
.bizhi-cell img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s;}
.bizhi-cell:hover img{transform:scale(1.05);}
.bizhi-cell-mask{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:26px 10px 9px;font-size:12px;line-height:1.4;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.72));opacity:0;transition:opacity .25s;}
.bizhi-cell-name{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.bizhi-cell-view{flex:none;}
.bizhi-cell:hover .bizhi-cell-mask{opacity:1;}
.bizhi-grid-list{margin-bottom:18px;}
@media (max-width:1100px){.bizhi-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
@media (max-width:768px){.bizhi-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}.bizhi-cell-mask{opacity:1;}}

/* 二级分类胶囊 + 排序工具条 */
.bizhi-subnav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:15px;}
.bizhi-subnav-item{padding:5px 12px;border-radius:14px;background:#f5f6f8;font-size:13px;color:#666;text-decoration:none;}
.bizhi-subnav-item:hover{background:var(--chengb,#ff7200);color:#fff;}
.bizhi-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;background:var(--bg-color,#fff);border-radius:6px;padding:12px 15px;margin-bottom:15px;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.bizhi-toolbar-title{font-size:16px;font-weight:600;color:var(--text-color,#333);}
.bizhi-toolbar-count{margin-left:8px;font-size:12px;font-weight:400;color:#999;}
.bizhi-toolbar-sort{display:flex;flex-wrap:wrap;gap:6px;}
.bizhi-toolbar-sort a{padding:5px 12px;border:1px solid #eee;border-radius:4px;font-size:13px;color:#666;text-decoration:none;}
.bizhi-toolbar-sort a.active,.bizhi-toolbar-sort a:hover{border-color:var(--chengb,#ff7200);color:var(--chengb,#ff7200);background:#fff8f2;}

/* 内页：居中大图（深色底 + contain，看原图不变形） */
.bizhi-viewer{margin-bottom:15px;}
.bizhi-stage{position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;background:#16181d;border-radius:10px;padding:18px;overflow:hidden;}
.bizhi-stage img{display:block;max-width:100%;max-height:78vh;width:auto;height:auto;object-fit:contain;border-radius:4px;}
.bizhi-stage-none{min-height:220px;}
.bizhi-stage-tip{margin:0;font-size:13px;color:#9aa0a6;}

/* 全屏查看：checkbox + label，纯 CSS，不引任何脚本 */
.bizhi-full-check{display:none;}
.bizhi-fs-open{position:absolute;right:16px;top:16px;padding:8px 14px;border-radius:20px;background:rgba(0,0,0,.55);color:#fff;font-size:13px;line-height:1.4;cursor:pointer;transition:background .2s;}
.bizhi-fs-open:hover{background:var(--chengb,#ff7200);color:#fff;}
.bizhi-fullscreen{display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:9999;background:rgba(0,0,0,.94);align-items:center;justify-content:center;padding:16px;box-sizing:border-box;}
.bizhi-fullscreen img{display:block;max-width:96vw;max-height:92vh;width:auto;height:auto;object-fit:contain;}
.bizhi-full-check:checked ~ .bizhi-fullscreen{display:flex;}
.bizhi-fs-close{position:absolute;right:22px;top:18px;padding:7px 16px;border-radius:20px;background:rgba(255,255,255,.16);color:#fff;font-size:14px;line-height:1.4;cursor:pointer;}
.bizhi-fs-close:hover{background:var(--chengb,#ff7200);}

/* 内页头部 */
.bizhi-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;background:var(--bg-color,#fff);border-radius:8px;padding:16px 18px;margin-bottom:15px;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.bizhi-head-main{flex:1 1 320px;min-width:0;}
.bizhi-h1{margin:0 0 10px;font-size:22px;line-height:1.5;color:var(--text-color,#222);word-break:break-all;}
.bizhi-meta{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;margin:0;padding:0;font-size:13px;color:var(--sub-text-color,#888);}
.bizhi-meta i{color:var(--chengb,#ff7200);}
.bizhi-meta a{color:var(--chengb,#ff7200);text-decoration:none;}
.bizhi-head-op{flex:none;display:flex;gap:10px;align-items:center;}
.bizhi-head-op .collect-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border:1px solid #eee;border-radius:6px;font-size:14px;color:#666;text-decoration:none;}
.bizhi-head-op .collect-btn.collected{border-color:var(--chengb,#ff7200);color:var(--chengb,#ff7200);}
.bizhi-head-op .collect-btn:hover{border-color:var(--chengb,#ff7200);color:var(--chengb,#ff7200);}

/* 上一张 / 下一张 */
.bizhi-pn{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:15px;}
.bizhi-pn-item{display:flex;align-items:center;gap:10px;background:var(--bg-color,#fff);border:1px solid #f0f0f0;border-radius:8px;padding:12px 14px;text-decoration:none;transition:box-shadow .2s,transform .2s;}
.bizhi-pn-item:nth-child(2){justify-content:flex-end;text-align:right;}
.bizhi-pn-item:hover{box-shadow:0 6px 18px rgba(0,0,0,.08);transform: translateY(-2px);}
.bizhi-pn-ico{flex:none;width:30px;height:30px;line-height:30px;text-align:center;border-radius:50%;background:#f5f6f8;color:#888;font-size:15px;}
.bizhi-pn-text{min-width:0;}
.bizhi-pn-text b{display:block;font-size:12px;font-weight:400;color:#aaa;}
.bizhi-pn-text em{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-style:normal;font-size:14px;color:var(--text-color,#333);max-width:36vw;}
@media (max-width:768px){.bizhi-pn{grid-template-columns:minmax(0,1fr);}.bizhi-pn-text em{max-width:60vw;}}

/* 原图直链下载表 */
.bizhi-dl-wrap{padding:15px;}
.bizhi-dl-table{width:100%;border-collapse:collapse;font-size:14px;}
.bizhi-dl-table th,.bizhi-dl-table td{padding:10px 12px;border-bottom:1px dashed #f0f0f0;text-align:left;}
.bizhi-dl-table thead th{background:#fafbfc;color:#999;font-weight:500;font-size:13px;}
.bizhi-dl-table tbody tr:last-child th,.bizhi-dl-table tbody tr:last-child td{border-bottom:none;}
.bizhi-dl-size{font-weight:600;color:var(--text-color,#333);white-space:nowrap;}
.bizhi-dl-table td a{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:4px;background:var(--chengb,#ff7200);color:#fff;font-size:13px;text-decoration:none;white-space:nowrap;}
.bizhi-dl-table td a:hover{background:#e56700;color:#fff;}
.bizhi-dl-note{margin:12px 0 0;padding:10px 12px;background:#fafbfc;border-radius:6px;font-size:12px;line-height:1.8;color:#999;}
@media (max-width:768px){.bizhi-dl-table{font-size:13px;}.bizhi-dl-table thead{display:none;}.bizhi-dl-table,.bizhi-dl-table tbody,.bizhi-dl-table tr,.bizhi-dl-table td{display:block;width:100%;}.bizhi-dl-table tr{padding:10px 0;border-bottom:1px dashed #f0f0f0;}.bizhi-dl-table td{padding:3px 0;border:none;}.bizhi-dl-table td:last-child{padding-top:8px;}}

/* 设为壁纸说明 + 分享 */
.bizhi-share-box{padding:15px;display:flex;flex-direction:column;gap:12px;}
.bizhi-tip{margin:0;padding:10px 12px;background:#fff8f2;border-left:3px solid var(--chengb,#ff7200);border-radius:4px;font-size:13px;line-height:1.8;color:#a05a20;}
.bizhi-tip i{color:var(--chengb,#ff7200);}
.bizhi-share{display:flex;align-items:center;flex-wrap:wrap;gap:10px;}
.bizhi-share-label{font-size:13px;color:var(--text-color,#555);}
.bizhi-share-label i{color:var(--chengb,#ff7200);}
.bizhi-copy{flex:1 1 260px;min-width:0;padding:8px 10px;border:1px solid #eee;border-radius:4px;font-size:13px;color:#666;background:#fafbfc;box-sizing:border-box;}
.bizhi-share-tip{font-size:12px;color:#bbb;}
@media (max-width:640px){.bizhi-share{flex-direction:column;align-items:stretch;}.bizhi-copy{width:100%;}}

/* 夜间模式（公共变量已经翻黑的这里只补硬编码的底色） */
.dark-mode .bizhi-cell,.dark-mode .bizhi-wf-item,.dark-mode .bizhi-subnav-item{background:#2a2a2a;}
.dark-mode .bizhi-toolbar-sort a,.dark-mode .bizhi-pn-ico{background:#242424;border-color:#3a3a3a;color:#bbb;}
.dark-mode .bizhi-toolbar-sort a.active,.dark-mode .bizhi-toolbar-sort a:hover{background:#2f2118;color:var(--chengb,#ff7200);}
.dark-mode .bizhi-dl-table thead th,.dark-mode .bizhi-dl-note,.dark-mode .bizhi-copy{background:#202020;color:#aaa;}
.dark-mode .bizhi-tip{background:#241d16;color:#d8a86e;}