/* 免费下载站 · jb51 简洁版样式（纯 CSS，零依赖） */
:root{
  --blue:#2563eb; --blue-d:#1d4ed8; --ink:#1f2937; --mut:#6b7280;
  --line:#e5e7eb; --bg:#f5f6f8; --card:#fff; --ok:#16a34a;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:92px}
html,body{max-width:100%;overflow-x:clip}
body{margin:0;font:14px/1.6 "Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.wrap{max-width:1160px;margin:0 auto;padding:0 14px}
code{font-family:Consolas,Menlo,monospace;background:#f3f4f6;border:1px solid var(--line);border-radius:4px;padding:1px 6px;color:var(--blue-d)}

/* ---------- 顶栏 ---------- */
/* 2026-11-01：整块顶栏（品牌+搜索+一级导航）吸顶，下滑隐藏、上滑/悬浮顶端自动出现 */
.site-head{position:sticky;top:0;z-index:80;will-change:transform;
  transition:transform .28s cubic-bezier(.4,0,.2,1)}
.site-head.is-up{transform:translateY(-100%)}
.site-head.is-up:hover{transform:none}
@media (prefers-reduced-motion:reduce){.site-head{transition:none}}
.topbar{background:var(--card);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:22px;padding:12px 0;flex-wrap:wrap}
.brand{display:flex;flex-direction:column;line-height:1.25}
.brand b{font-size:22px;color:var(--blue)}
.brand span{font-size:12px;color:var(--mut)}
.sform{position:relative;flex:1;display:flex;max-width:480px;min-width:220px}
.sform input{flex:1;border:2px solid var(--blue);border-right:0;border-radius:6px 0 0 6px;padding:7px 12px;font-size:14px;outline:none}
.sform button{border:0;background:var(--blue);color:#fff;border-radius:0 6px 6px 0;padding:0 22px;font-size:14px;cursor:pointer}
.sform button:hover{background:var(--blue-d)}

/* 搜索候选下拉 */
.sug{position:absolute;top:calc(100% + 5px);left:0;right:0;z-index:90;background:#fff;border:1px solid #dbe3ef;
  border-radius:10px;box-shadow:0 14px 34px rgba(15,23,42,.16);overflow:hidden auto;max-height:min(430px,62vh)}
.sug[hidden]{display:none}
.sug-item{display:flex;align-items:center;gap:8px;padding:9px 12px;border-bottom:1px solid #f1f5f9;cursor:pointer;line-height:1.5}
.sug-item:last-of-type{border-bottom:0}
.sug-item.on,.sug-item:hover{background:#eff6ff}
.sug-item .si-t{flex:1;min-width:0;font-size:14px;color:#0f172a;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sug-item .si-t b{color:#dc2626;font-weight:800;font-style:normal}
.sug-item .si-c{flex:none;max-width:38%;font-size:12px;color:#64748b;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sug-item .si-go{flex:none;color:#94a3b8;font-size:14px}
.sug-all{display:block;padding:9px 12px;font-size:13px;color:var(--blue-d);background:#f8fafc;border-top:1px solid #eef2f7;font-weight:700;text-align:center}
.sug-all:hover{background:#eff6ff}
.sug-empty{padding:14px 12px;font-size:13px;color:#64748b;text-align:center}
.mainnav{background:var(--blue)}
.mainnav .wrap{display:flex;overflow-x:auto;white-space:nowrap}
.mainnav a{color:#dbeafe;padding:9px 14px;font-size:14px;display:inline-block}
.mainnav a:hover,.mainnav a.on{color:#fff;background:rgba(255,255,255,.14)}

/* ---------- 布局 ---------- */
.layout{display:flex;gap:18px;padding:16px 14px 30px;align-items:stretch}
.main-col{flex:1;min-width:0;width:100%}
.side-col{width:290px;flex:none}
@media (max-width:860px){
  .layout{flex-direction:column;gap:14px}
  .side-col{width:100%}
}
.sec-title{font-size:18px;margin:0 0 12px;padding-left:10px;border-left:4px solid var(--blue);line-height:1.3}
.sec-title small{font-size:12px;color:var(--mut);font-weight:400;margin-left:8px}
.side-title{font-size:15px}

/* ---------- 软件列表 ---------- */
.slist{list-style:none;margin:0;padding:0;background:var(--card);border:1px solid var(--line);border-radius:8px}
.srow{display:flex;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line);align-items:center}
.srow:last-child{border-bottom:0}
.srow:hover{background:#f8fafc}
.srow-cover{width:56px;height:56px;flex:none;border-radius:6px;overflow:hidden;background:#eef2f7;display:flex;align-items:center;justify-content:center}
.srow-cover img{width:100%;height:100%;object-fit:cover}
.srow-main{flex:1;min-width:0}
.srow-title{display:block;font-size:14px;font-weight:600;color:var(--blue-d);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.srow-title:hover{text-decoration:underline}
.srow-sub{margin:2px 0 0;font-size:12px;color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.srow-meta{margin:2px 0 0;font-size:12px;color:#94a3b8}
.srow-meta time{margin-right:12px}
.srow-go{flex:none;font-size:12px;color:var(--blue);border:1px solid var(--blue);border-radius:6px;padding:5px 10px;display:flex;align-items:center;gap:4px}
.srow-go:hover{background:var(--blue);color:#fff}
@media (max-width:640px){.srow-go{display:none}}

/* ---------- 热门榜 ---------- */
.hotlist{list-style:none;margin:0 0 16px;padding:0;background:var(--card);border:1px solid var(--line);border-radius:8px}
.hotlist li{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px dashed var(--line);font-size:13px}
.hotlist li:last-child{border-bottom:0}
.hotlist i{font-style:normal;width:18px;height:18px;flex:none;border-radius:4px;background:#e5e7eb;color:#6b7280;font-size:11px;display:flex;align-items:center;justify-content:center}
.hotlist li:nth-child(-n+3) i{background:#ef4444;color:#fff}
.hotlist a{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hotlist span{font-size:11px;color:#94a3b8}

/* ---------- 客服卡片 ---------- */
.kf-card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px;margin-bottom:16px}
.kf-card h3{margin:0 0 10px;font-size:15px;color:var(--ok)}
.kf-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.kf-label{font-size:12px;color:var(--mut);width:34px}
.kf-copy{border:1px solid var(--line);background:#f8fafc;border-radius:4px;font-size:12px;padding:2px 8px;cursor:pointer;color:var(--blue-d)}
.kf-copy:hover{border-color:var(--blue);color:var(--blue)}
.kf-qq{font-size:12px;color:var(--mut);margin-left:2px}
.kf-qq:hover{color:var(--blue)}
.kf-qr{text-align:center;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.kf-qr img{border:1px solid var(--line);border-radius:6px}
.kf-qr p{margin:6px 0 0;font-size:12px;color:var(--mut);line-height:1.5}

/* ---------- 首页品牌区 ---------- */
.hero{background:linear-gradient(135deg,#0b2447 0%,#1d4ed8 100%);color:#fff;border-radius:12px;padding:34px 30px;margin:16px 0 6px}
.hero h1{margin:0 0 10px;font-size:30px;letter-spacing:1px}
.hero p{margin:0 0 20px;font-size:14.5px;color:#c7d7f7}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-dl,.hero-kf{display:inline-flex;align-items:center;gap:8px;border-radius:8px;padding:11px 26px;font-size:16px;font-weight:700}
.hero-dl{background:#16a34a;color:#fff}
.hero-dl:hover{background:#15803d}
.hero-kf{border:1.5px solid rgba(255,255,255,.65);color:#fff}
.hero-kf:hover{background:rgba(255,255,255,.14)}
@media (max-width:640px){.hero{padding:24px 18px}.hero h1{font-size:24px}}

.sec-gap{margin-top:26px}
.more-line{margin:14px 0 0;text-align:center}
.more-btn{display:inline-block;border:1px solid var(--blue);color:var(--blue);border-radius:8px;padding:8px 22px;font-size:13.5px}
.more-btn:hover{background:var(--blue);color:#fff}

/* 服务项目 */
.svc{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.svc-item{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px}
.svc-item h3{margin:0 0 6px;font-size:15px;color:var(--blue-d)}
.svc-item p{margin:0;font-size:12.5px;color:var(--mut);line-height:1.7}

/* ---------- 软件目录分级 ---------- */
.dl-cat{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin-bottom:16px}
.dl-cat-h{margin:0 0 8px;font-size:15px;color:var(--blue-d)}
.dl-tree{display:flex;flex-direction:column}
.dl-group{display:flex;gap:14px;padding:8px 0;border-top:1px dashed var(--line);align-items:flex-start}
.dl-group:first-child{border-top:0}
.dl-root{flex:none;width:132px;font-size:13.5px;font-weight:700;color:var(--blue-d);line-height:1.7}
.dl-root em{font-style:normal;font-size:11px;color:#94a3b8;font-weight:400;margin-left:4px}
.dl-root:hover{text-decoration:underline}
.dl-kids{flex:1;display:flex;flex-wrap:wrap;gap:2px 14px;min-width:0}
.dl-kids a{font-size:12.5px;color:var(--mut);line-height:1.9}
.dl-kids a:hover{color:var(--blue)}
.dl-kids .dl-enter{color:var(--blue)}
@media (max-width:640px){
  .dl-group{flex-direction:column;gap:2px}
  .dl-root{width:auto}
}

/* ---------- 分类网格 ---------- */
.catgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px;margin-top:20px}
.cat-col{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.cat-col h3{margin:0 0 6px;font-size:14px;color:var(--blue-d)}
.cat-col a{display:block;font-size:12.5px;color:var(--mut);padding:2px 0}
.cat-col a:hover{color:var(--blue)}
.cat-col .more{color:var(--blue)}

/* ---------- 面包屑 / chips / 分页 ---------- */
.crumbs{font-size:12.5px;color:var(--mut);margin-bottom:10px}
.crumbs i{font-style:normal;margin:0 6px;color:#cbd5e1}
.crumbs a:hover{color:var(--blue)}
.chips{margin:0 0 14px;display:flex;flex-wrap:wrap;gap:8px}
.chips a{font-size:12.5px;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:4px 12px;color:var(--mut)}
.chips a:hover{border-color:var(--blue);color:var(--blue)}
.chips a.on{background:var(--blue);border-color:var(--blue);color:#fff}
.pager{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.pager a{border:1px solid var(--line);background:var(--card);border-radius:6px;padding:5px 12px;font-size:13px;color:var(--mut)}
.pager a:hover{border-color:var(--blue);color:var(--blue)}
.pager a.cur{background:var(--blue);border-color:var(--blue);color:#fff}
.empty{background:var(--card);border:1px dashed var(--line);border-radius:8px;padding:40px;text-align:center;color:var(--mut)}
.empty-box{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:60px 20px;text-align:center;margin:30px 0}
.empty-box h1{font-size:20px;margin:0 0 10px}
.empty-box a{color:var(--blue)}

/* ---------- 详情页 ---------- */
.detail{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px 20px}
.d-title{font-size:20px;line-height:1.4;margin:0 0 8px}
.d-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--mut);margin:0 0 14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.d-content{font-size:14.5px;color:#374151;overflow-wrap:break-word}
.d-content img{max-width:100%;height:auto;border-radius:4px}
.d-content h2{font-size:17px;border-left:4px solid var(--blue);padding-left:10px;margin:22px 0 10px}
.d-content table{border-collapse:collapse;max-width:100%}
.d-content td{border:1px solid var(--line);padding:4px 8px}

/* ---------- 下载区 ---------- */
.dl-zone{margin-top:22px;padding-top:16px;border-top:2px solid var(--line)}
.dl-zone h2{font-size:17px;margin:0 0 12px;border-left:4px solid var(--ok);padding-left:10px}
.dl-zone h2 small{font-size:12px;color:var(--ok);font-weight:400;margin-left:8px}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px}
.dl-btn{display:flex;align-items:center;gap:8px;border:1.5px solid;border-radius:8px;padding:10px 20px;font-size:15px;font-weight:600;cursor:pointer;background:#fff;transition:all .15s}
.dl-btn:hover{color:#fff!important}
.dl-btn.b-baidu{color:#06a7ff;border-color:#06a7ff}
.dl-btn.b-baidu:hover{background:#06a7ff}
.dl-btn.b-xunlei{color:#4e6ef2;border-color:#4e6ef2}
.dl-btn.b-xunlei:hover{background:#4e6ef2}
.dl-btn.b-quark{color:#7c4dff;border-color:#7c4dff}
.dl-btn.b-quark:hover{background:#7c4dff}
.dl-btn.b-123{color:#2f9e44;border-color:#2f9e44}
.dl-btn.b-123:hover{background:#2f9e44}
.dl-btn.b-other{color:var(--blue);border-color:var(--blue)}
.dl-btn.b-other:hover{background:var(--blue)}
.dl-tip{font-size:12.5px;color:var(--mut);margin:12px 0 0}

/* ---------- 相关推荐 ---------- */
.related{margin-top:22px}
.related h2{font-size:17px;margin:0 0 12px;border-left:4px solid var(--blue);padding-left:10px}

/* ---------- 下载弹窗 ---------- */
.mask{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:99;display:flex;align-items:center;justify-content:center;padding:0}
.mask[hidden]{display:none}
.modal{position:relative;background:#fff;border-radius:12px;max-width:640px;width:100%;max-height:92vh;overflow:auto;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.modal-x{position:absolute;top:8px;right:12px;border:0;background:none;font-size:26px;color:#94a3b8;cursor:pointer;line-height:1}
.modal-x:hover{color:var(--ink)}
.modal-hd{padding:16px 48px 0 20px;font-size:17px;font-weight:700}
.modal-hd em{font-style:normal;font-size:13px;color:var(--ok);margin-left:8px}
.modal-bd{display:flex;gap:18px;padding:14px 20px 22px;flex-wrap:wrap}
.m-qr{flex:none;width:180px;text-align:center;background:#f8fafc;border:1px dashed var(--line);border-radius:10px;padding:14px 10px}
.m-qr img{border-radius:6px;background:#fff}
.m-qr p{margin:8px 0 0;font-size:12px;color:var(--mut);line-height:1.6}
.m-qr b{color:var(--ok)}
.m-dl{flex:1;min-width:240px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.m-hint{margin:0;font-size:13.5px;color:var(--ink)}
.m-hint b{color:var(--ok)}
.m-go{display:block;text-align:center;background:var(--ok);color:#fff;border-radius:8px;padding:13px;font-size:16px;font-weight:700}
.m-go:hover{background:#15803d}
.m-link{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0;font-size:12px;color:var(--mut)}
.m-link > span{flex:none;color:#94a3b8}
.m-link a{flex:1;min-width:0;color:var(--blue);text-decoration:underline;word-break:break-all;line-height:1.6;font-size:12px}
.m-link a:hover{color:var(--blue-d)}
.m-copy{flex:none;border:1px solid var(--line);background:#f8fafc;color:var(--blue-d);border-radius:4px;font-size:12px;padding:2px 8px;cursor:pointer}
.m-copy:hover{border-color:var(--blue);color:var(--blue)}
.m-note{margin:0;font-size:12px;color:#94a3b8}

/* ---------- 页脚 ---------- */
.foot{background:var(--card);border-top:1px solid var(--line);margin-top:20px}
.foot-in{padding:18px 14px 26px;display:flex;gap:30px;flex-wrap:wrap}
.foot-kf{display:flex;flex-direction:column;gap:6px;font-size:13px}
.foot-kf b{font-size:14px;color:var(--ok)}
.foot-kf .kf-copy{margin:0 4px}
.foot-mp{display:flex;align-items:center;gap:8px}
.foot-mp img{border:1px solid var(--line);border-radius:4px}
.foot-note{flex:1;min-width:260px;font-size:12px;color:#94a3b8;line-height:1.8}

/* ---------- 栏目页（教程 / 安卓 / 工具 / 专题） ---------- */
.sec-hero{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:22px 24px;margin:14px 0 18px}
.sec-hero h1{margin:0 0 8px;font-size:24px;color:var(--ink)}
.sec-hero p{margin:0;font-size:13.5px;color:var(--mut);line-height:1.85;max-width:860px}
.sec-hero .hero-btns{margin-top:16px}
.sec-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.sec-tags span{font-size:12px;color:var(--blue-d);background:#eff6ff;border:1px solid #dbeafe;border-radius:20px;padding:3px 12px}
.tips{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 18px}
.tips p{margin:0 0 8px;font-size:13px;color:var(--mut);line-height:1.8}
.tips p:last-child{margin-bottom:0}
.trow .srow-title{font-size:14px}

/* 在线工具 */
.tool-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.tool-tab{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:8px;padding:9px 16px;font-size:13.5px;cursor:pointer;font-family:inherit}
.tool-tab:hover{border-color:var(--blue);color:var(--blue)}
.tool-tab.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:700}
.tool-wrap{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px}
.tool-hd h2{margin:0 0 4px;font-size:17px;color:var(--ink)}
.tool-hd p{margin:0 0 14px;font-size:12.5px;color:var(--mut)}
.tool-ta{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px;font:13px/1.65 Consolas,Menlo,monospace;color:var(--ink);background:#fbfdff;resize:vertical}
.tool-ta:focus{outline:0;border-color:var(--blue);background:#fff}
.tool-ta.out{background:#f8fafc;color:#0f172a}
.tool-btns{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.btn-p{border:0;background:var(--blue);color:#fff;border-radius:7px;padding:9px 20px;font-size:13.5px;font-weight:700;cursor:pointer;font-family:inherit;min-height:38px}
.btn-p:hover{background:var(--blue-d)}
.btn-s{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:7px;padding:9px 18px;font-size:13.5px;cursor:pointer;font-family:inherit;min-height:38px}
.btn-s:hover{border-color:var(--blue);color:var(--blue)}
.tool-row{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 10px}
.tool-in{flex:1;min-width:200px;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px;color:var(--ink);background:#fbfdff}
.tool-in:focus{outline:0;border-color:var(--blue);background:#fff}
.tool-out{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:12px 14px;font:13.5px/1.8 Consolas,Menlo,monospace;color:#0f172a;word-break:break-all;margin:0 0 14px}
.tool-msg{margin:8px 0 0;font-size:12.5px;color:var(--ok);min-height:18px}
.tool-msg.err{color:#dc2626}

/* 批量处理进度条（core.js 的 TK.B 用） */
.bt-prog{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:0 0 12px}
.bt-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:9px}
.bt-top b{font-size:14px;color:var(--ink)}
.bt-top em{font:600 13px/1 Consolas,Menlo,monospace;color:var(--blue-d);font-style:normal}
.bt-bar{display:block;height:8px;border-radius:99px;background:#e8eef6;overflow:hidden}
.bt-bar u{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#2563eb,#38bdf8);transition:width .25s ease}
.bt-sub{margin:8px 0 10px;font-size:12.5px;color:var(--mut);line-height:1.6}
.bt-prog .bt-cancel{font-size:12.5px;padding:6px 14px}
.tool-h3{font-size:13.5px;margin:14px 0 6px;color:var(--ink)}
.tp-multi-tip{margin:0 0 10px;font-size:12.5px;color:var(--blue-d);background:#eff6ff;border:1px solid #dbeafe;border-radius:7px;padding:8px 11px}

/* 装机专题 */
.topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.topic-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;display:flex;flex-direction:column}
.tc-hd{display:flex;align-items:baseline;justify-content:space-between;gap:10px;border-bottom:1px dashed var(--line);padding-bottom:10px;margin-bottom:10px}
.tc-hd h2{margin:0;font-size:16px}
.tc-hd h2 a{color:var(--blue-d)}
.tc-hd span{font-size:12px;color:#94a3b8}
.topic-card ul{list-style:none;margin:0 0 12px;padding:0;flex:1}
.topic-card li{font-size:13px;line-height:2;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topic-card li a:hover{color:var(--blue)}
.tc-more{font-size:13px;color:var(--ok);font-weight:700}

/* ---------- 触屏通用 ---------- */
.mainnav .wrap{scrollbar-width:none}
.mainnav .wrap::-webkit-scrollbar{display:none}
@media (hover:none){
  .srow:hover{background:transparent}
  .dl-btn:hover{color:inherit}
  .dl-btn.b-baidu:hover,.dl-btn.b-xunlei:hover,.dl-btn.b-quark:hover,.dl-btn.b-123:hover,.dl-btn.b-other:hover{background:transparent}
}
.kf-copy{min-height:30px}
.pager a{padding:7px 13px;min-height:34px;display:inline-flex;align-items:center}

/* ---------- 详情页底部操作条（桌面隐藏） ---------- */
.m-bar{display:none}

/* ---------- 手机端 ≤640px ---------- */
@media (max-width:640px){
  /* 顶栏：品牌一行 + 搜索独占一行 */
  .topbar-in{gap:8px;padding:10px 0}
  .brand{flex-direction:row;align-items:baseline;gap:8px}
  .brand b{font-size:19px}
  .brand span{font-size:11px}
  .sform{flex-basis:100%;max-width:none;order:3}
  .sform input{font-size:16px;padding:9px 12px}/* ≥16px 防 iOS 聚焦自动放大 */
  .sform button{padding:0 18px}
  .mainnav a{padding:11px 13px;font-size:13.5px}

  /* 首页品牌区 */
  .hero{padding:22px 18px;margin:12px 0 4px;border-radius:10px}
  .hero h1{font-size:23px}
  .hero p{font-size:13px;margin-bottom:16px}
  .hero-btns a{flex:1;justify-content:center;padding:12px 0;font-size:15.5px}

  /* 软件列表 */
  .srow{padding:11px 12px;gap:10px}
  .srow-cover{width:48px;height:48px}
  .srow-title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.45;font-size:13.5px}
  .srow-sub{display:none}
  .srow-meta{font-size:11.5px}

  /* 软件目录 */
  .dl-cat{padding:10px 12px}
  .dl-root{width:100%;padding:7px 0;font-size:14.5px}
  .dl-kids{padding-left:10px}
  .dl-kids a{font-size:13px;line-height:2.15}

  /* 详情页 */
  .detail{padding:14px}
  .d-title{font-size:18px}
  .d-content{font-size:14px}
  .d-content table{display:block;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .d-content td{overflow-wrap:anywhere}

  /* 下载按钮整列铺满 */
  .dl-btns{flex-direction:column}
  .dl-btn{justify-content:center;padding:13px;font-size:16px}

  /* 分类 / 分页 */
  .catgrid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
  .pager a{padding:9px 15px;font-size:14px}
  .chips a{padding:6px 13px}

  /* 弹窗 = 底部抽屉 */
  .mask{align-items:flex-end;padding:0}
  .modal{max-width:none;border-radius:16px 16px 0 0;max-height:92vh;padding-bottom:env(safe-area-inset-bottom)}
  .modal-x{top:6px;right:10px;font-size:30px}
  .modal-hd{padding:16px 44px 0 16px;font-size:16px}
  .modal-bd{flex-direction:column;gap:14px;padding:12px 16px 18px}
  .m-qr{width:100%;display:flex;align-items:center;gap:12px;text-align:left;padding:10px 12px}
  .m-qr img{width:92px;height:92px;flex:none}
  .m-qr p{margin:0;flex:1}
  .m-go{padding:14px;font-size:16.5px}

  /* 页脚 */
  .foot-in{gap:14px;padding:16px 14px 24px}
  .foot-mp img{width:64px;height:64px}
  .foot-note{min-width:0}

  /* 详情页底部操作条 */
  .m-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:10px;
    padding:9px 12px calc(9px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.97);border-top:1px solid var(--line);
    box-shadow:0 -4px 16px rgba(0,0,0,.07)}
  .m-bar .mb-dl,.m-bar .mb-kf{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;
    min-height:44px;border-radius:10px;font-size:15.5px;font-weight:700}
  .m-bar .mb-dl{background:var(--ok);color:#fff}
  .m-bar .mb-kf{border:1.5px solid var(--ok);color:var(--ok);background:#fff;padding:0 10px}
  body.has-mbar .foot{padding-bottom:74px}

  /* 栏目页 */
  .sec-hero{padding:18px 16px;margin:12px 0 14px}
  .sec-hero h1{font-size:21px}
  .sec-hero p{font-size:13px}
  .sec-hero .hero-btns a,.sec-hero .hero-btns button{flex:1;justify-content:center;text-align:center;border:0;font-family:inherit;cursor:pointer}
  .tool-wrap{padding:14px}
  .tool-tab{flex:1;min-width:calc(50% - 4px);padding:10px 0;font-size:13px}
  .tool-ta,.tool-in{font-size:16px}/* ≥16px 防 iOS 聚焦放大 */
  .tool-btns .btn-p,.tool-btns .btn-s{flex:1}
  .tool-row .tool-in{min-width:0;flex-basis:100%}
  .tool-row .btn-p,.tool-row .btn-s{flex:1}
  .topics{grid-template-columns:1fr;gap:12px}
  .topic-card{padding:14px}
}

/* ============ 在线工具（工具集 v2，2026-10-18） ============ */
.tool-search{margin:14px 0 10px}
.tool-search input{width:100%;max-width:520px;border:1px solid var(--line);border-radius:9px;padding:11px 14px;font-size:16px;color:var(--ink);background:#fff;font-family:inherit}
.tool-search input:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(29,78,216,.08)}
.tool-nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.tool-nav a{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:20px;padding:6px 12px;font-size:12.5px;color:var(--ink);text-decoration:none}
.tool-nav a:hover{border-color:var(--blue);color:var(--blue)}
.tool-nav a i{font-style:normal;font-size:11px;color:var(--mut)}

.tool-cat{margin:18px 0 6px}
.tc-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:0 0 10px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.tc-head h2{margin:0;font-size:17px;color:var(--ink)}
.tc-head p{margin:0;font-size:12px;color:var(--mut);flex:1;min-width:180px}
.tc-head em{font-style:normal;font-size:12px;color:var(--mut)}
.tool-grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:10px}
.tool-card{display:block;border:1px solid var(--line);background:var(--card);border-radius:9px;padding:12px 14px;text-decoration:none;transition:border-color .15s,box-shadow .15s}
.tool-card:hover{border-color:var(--blue);box-shadow:0 4px 14px rgba(15,23,42,.06)}
.tool-card b{display:block;font-size:13.5px;color:var(--ink);margin-bottom:5px}
.tool-card span{display:block;font-size:12px;color:var(--mut);line-height:1.7}
.tool-more{margin-top:22px}
.tool-more h2{font-size:15px;margin:0 0 10px;color:var(--ink)}
.tool-safe{font-size:12px !important;color:#0e7490 !important;margin-top:6px !important}

.tp-opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;margin:12px 0 4px}
.tp-opt{display:flex;flex-direction:column;gap:5px}
.tp-lab{font-size:12px;color:var(--mut)}
.tp-color{height:38px;padding:3px}
.tool-in{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 11px;font-size:13.5px;color:var(--ink);background:#fff;font-family:inherit}
.tool-in:focus{outline:0;border-color:var(--blue)}

.tool-pre{white-space:pre-wrap;word-break:break-all;background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:12px 14px;font:12.5px/1.75 Consolas,Menlo,monospace;color:#0f172a;margin:8px 0;max-height:520px;overflow:auto}
.tool-kv{font-size:13px;line-height:2.1;color:#1f2937}
.tool-kv code{background:#f1f5f9;border-radius:4px;padding:1px 6px;font:12.5px Consolas,Menlo,monospace;word-break:break-all}
.tool-h3{font-size:13.5px;margin:14px 0 6px;color:var(--ink)}
.tool-grid-kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;margin:6px 0}
.kv-item{border:1px solid var(--line);border-radius:9px;padding:10px 12px;background:#fff}
.kv-item span{display:block;font-size:11.5px;color:var(--mut);margin-bottom:4px}
.kv-item b{font-size:15px;color:var(--ink)}
.tool-table{width:100%;border-collapse:collapse;margin:8px 0;font-size:12.5px}
.tool-table th,.tool-table td{border:1px solid var(--line);padding:7px 9px;text-align:left}
.tool-table th{background:#f1f5f9;color:var(--ink);font-weight:700}
.tool-table tr:nth-child(even) td{background:#fbfdff}
.tool-msg{font-size:12.5px;color:var(--mut);margin:8px 0 0}
.tool-msg.err{color:#c0392b}

.sw-line{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.sw{width:64px;text-align:center;font-size:10.5px;color:var(--mut)}
.sw i{display:block;height:38px;border-radius:6px;border:1px solid rgba(15,23,42,.08)}
.sw span{display:block;margin-top:3px}
.sw code{font-size:10px;color:#64748b;background:none;padding:0}
.mix-preview{height:56px;border-radius:9px;border:1px solid var(--line);margin:10px 0}
.contrast-preview{border-radius:9px;padding:18px;font-size:17px;font-weight:700;margin:10px 0;border:1px solid var(--line)}
.pal-group{margin:10px 0}
.btn-copy{border:1px solid var(--line);background:#fff;border-radius:6px;padding:1px 8px;font-size:11px;color:var(--blue);cursor:pointer;font-family:inherit;margin-left:6px}

.df-box{max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:8px;font:12px/1.7 Consolas,Menlo,monospace;background:#fff}
.df-same{color:#475569}
.df-del{background:#fef2f2;color:#b91c1c}
.df-add{background:#ecfdf5;color:#047857}
.re-hit{font-size:12.5px;line-height:1.9;color:#334155}
.re-hit code{background:#eef2ff;color:#3730a3;border-radius:4px;padding:1px 5px}

.cal-table{border-collapse:collapse;width:100%;max-width:460px;margin:8px 0;font-size:13px}
.cal-table caption{font-size:15px;font-weight:700;padding:8px 0;color:var(--ink)}
.cal-table th{background:#f1f5f9;border:1px solid var(--line);padding:7px 0;font-size:12px;color:var(--mut)}
.cal-table td{border:1px solid var(--line);text-align:center;padding:9px 0;color:var(--ink)}
.cal-table td.cal-week b{color:#b91c1c}
.cal-table td.cal-today{background:#dbeafe}
.cal-empty{background:#fafafa}

.tool-frame{width:100%;height:360px;border:1px solid var(--line);border-radius:8px;background:#fff}
.tool-img{max-width:100%;border-radius:8px;border:1px solid var(--line);margin-top:8px;display:block}
.fancy-preview{border:1px dashed var(--line);border-radius:9px;padding:26px;text-align:center;margin:8px 0;background:#fff}
.vt-wrap{display:flex;justify-content:center;padding:10px 0;border:1px dashed var(--line);border-radius:9px;background:#fff;margin:8px 0}

@media (max-width:640px){
  .tool-grid-cards{grid-template-columns:1fr 1fr;gap:8px}
  .tool-card{padding:10px 11px}
  .tool-card b{font-size:12.5px}
  .tool-card span{font-size:11px}
  .tp-opts{grid-template-columns:1fr 1fr}
  .tool-grid-kv{grid-template-columns:1fr 1fr}
  .sw{width:52px}
  .tool-frame{height:300px}
}

/* ================= 在线工具 · 扩展组件（v20261018b） ================= */

/* 分组选项 */
.tp-group{margin:12px 0;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}
.tp-group>summary{cursor:pointer;padding:9px 12px;font-weight:700;font-size:13px;color:var(--blue-d);background:#f8fafc;border-bottom:1px solid var(--line);list-style:none}
.tp-group>summary::-webkit-details-marker{display:none}
.tp-group>summary::before{content:"▾ ";color:var(--mut)}
.tp-group[open]>summary::before{content:"▴ "}
.tp-group>.tp-opts{padding:10px 12px;border:0;background:#fff}

/* 滑块 */
.tp-opt-range{align-items:center}
.tp-range{flex:1;min-width:120px;accent-color:var(--blue)}
.tp-rv{min-width:44px;text-align:right;color:var(--blue-d);font-variant-numeric:tabular-nums}
.tp-opt-check{align-items:center}
.tp-opt-check .tp-lab{margin:0;display:flex;align-items:center;gap:6px;cursor:pointer}
.tp-opt-check input{width:16px;height:16px;accent-color:var(--blue)}

/* 大数字结论 */
.tool-big{display:flex;flex-direction:column;gap:2px;padding:14px 16px;margin:0 0 12px;border-radius:10px;background:linear-gradient(135deg,#eff6ff,#f5f3ff);border:1px solid #dbeafe}
.tool-big>span{font-size:12px;color:var(--mut)}
.tool-big>b{font-size:30px;line-height:1.2;color:var(--blue-d);font-variant-numeric:tabular-nums;word-break:break-all}
.tool-big>em{font-size:13px;color:var(--ink);font-style:normal}
.tool-big .ok{color:var(--ok)}
.tool-big .bad{color:#dc2626}

/* 进度条 */
.tool-bars{margin:10px 0}
.tb-row{display:flex;align-items:center;gap:8px;margin:6px 0;font-size:12px}
.tb-l{width:130px;flex:none;color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tb-bar{flex:1;height:10px;background:#eef2f7;border-radius:6px;overflow:hidden;display:block}
.tb-bar>u{display:block;height:100%;border-radius:6px;background:var(--blue);text-decoration:none;transition:width .35s}
.tb-v{width:62px;text-align:right;flex:none;color:var(--ink);font-variant-numeric:tabular-nums}

/* 提示条 */
.tool-msg.warn{background:#fffbeb;border-color:#fde68a;color:#92400e}
.tool-msg.err{background:#fef2f2;border-color:#fecaca;color:#b91c1c}

/* 结果盒子 / 表格容器 */
.tool-box{padding:12px;border:1px solid var(--line);border-radius:8px;background:#fbfdff;margin:10px 0}
.tool-tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;margin:10px 0;background:#fff}
.tool-table.tbl-dense td,.tool-table.tbl-dense th{padding:3px 8px;font-size:12px}

/* 倒计时 */
.cd-wrap{text-align:center;padding:18px 0 6px;background:linear-gradient(160deg,#eff6ff,#fff);border-radius:12px;border:1px solid #dbeafe;margin-bottom:12px}
.cd-num{font-size:64px;line-height:1;font-weight:800;color:var(--blue-d);font-variant-numeric:tabular-nums}
.cd-lab{font-size:13px;color:var(--mut);margin-top:4px}

/* 万年历 */
.cal-head{display:flex;justify-content:space-between;align-items:baseline;margin:0 0 8px}
.cal-head b{font-size:17px;color:var(--blue-d)}
.cal-head span{font-size:12px;color:var(--mut)}
.cal-table{width:100%;table-layout:fixed;border-collapse:collapse;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;margin:0 0 10px}
.cal-table th{background:#f1f5f9;font-size:12px;font-weight:600;color:var(--mut);padding:6px 0}
.cal-cell{border:1px solid #f1f5f9;height:52px;vertical-align:top;padding:4px 6px}
.cal-cell b{display:block;font-size:14px;color:var(--ink)}
.cal-cell span{font-size:10px;color:#94a3b8}
.cal-weekend b{color:#dc2626}
.cal-today{background:#eff6ff;box-shadow:inset 0 0 0 2px var(--blue)}
.cal-today b{color:var(--blue-d);font-weight:800}
.cal-empty{background:#fafafa}

/* 天气 */
.wx-now{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:12px;background:linear-gradient(135deg,#e0f2fe,#eff6ff);border:1px solid #bae6fd;margin-bottom:12px}
.wx-icon{font-size:42px;line-height:1}
.wx-temp{font-size:40px;font-weight:800;color:#0369a1;line-height:1}
.wx-temp i{font-size:16px;font-style:normal;font-weight:400}
.wx-info{display:flex;flex-direction:column;min-width:0}
.wx-info b{font-size:15px;color:#0c4a6e}
.wx-info span{font-size:12px;color:#0369a1}

/* 翻译结果 */
.tr-out{padding:14px 16px;border:1px solid #dbeafe;border-left:4px solid var(--blue);border-radius:8px;background:#f8fbff;font-size:15px;line-height:1.8;white-space:pre-wrap;word-break:break-word;margin:6px 0 10px}

/* 二维码 */
.qr-wrap{display:flex;justify-content:center;padding:14px;background:#fff;border:1px solid var(--line);border-radius:12px;margin:10px 0}
.qr-wrap img{image-rendering:pixelated;max-width:100%;height:auto}

/* 符号速查网格 */
.ref-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:6px;margin:8px 0 14px}
.ref-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:7px 3px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer;min-height:44px;transition:.15s}
.ref-cell:hover{border-color:var(--blue);background:#eff6ff;transform:translateY(-1px)}
.ref-cell b{font-size:17px;line-height:1.2;word-break:break-all;text-align:center}
.ref-cell i{font-size:10px;color:var(--mut);font-style:normal;margin-top:2px}
.ganzhi-grid{grid-template-columns:repeat(auto-fill,minmax(84px,1fr))}

/* 取色画布 */
.tool-pickwrap{margin:10px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#f8fafc;display:flex;justify-content:center}
.pick-cv{max-width:100%;cursor:crosshair;display:block}

/* 个税对比卡 */
.tax-cmp{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}
.tax-cmp>div{padding:12px;border-radius:10px;border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;gap:4px}
.tax-cmp>div b{font-size:12px;color:var(--mut);font-weight:600}
.tax-cmp>div em{font-size:20px;font-style:normal;font-weight:800;color:var(--blue-d)}
.tax-cmp>div span{font-size:11px;color:#94a3b8}
.tax-cmp .tc-a{background:#f0fdf4;border-color:#bbf7d0}
.tax-cmp .tc-b{background:#fef2f2;border-color:#fecaca}
@media (max-width:640px){.tax-cmp{grid-template-columns:1fr}}

/* 通用按压反馈 */
.btn-p:active,.btn-s:active{transform:translateY(1px)}

/* 移动端微调 */
@media (max-width:640px){
  .tool-big>b{font-size:24px}
  .cd-num{font-size:48px}
  .tb-l{width:88px}
  .tp-group>.tp-opts{padding:8px 10px}
  .ref-grid{grid-template-columns:repeat(auto-fill,minmax(58px,1fr))}
  .tool-tbl-wrap{border-radius:6px}
}

/* 常用工具横条 */
.tool-hot{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:10px 0 12px}
.tool-hot>span{font-size:12px;color:var(--mut);margin-right:2px}
.tool-hot a{font-size:12px;padding:4px 10px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--blue-d)}
.tool-hot a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.tool-search b{display:block;font-size:12px;color:var(--mut);font-weight:400;margin-top:6px;min-height:16px}

/* 工具说明区 */
.tool-doc{margin:22px 0 8px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:10px}
.tool-doc h2{font-size:16px;margin:0 0 8px;padding-left:9px;border-left:3px solid var(--blue);line-height:1.3}
.tool-doc h3{font-size:14px;margin:16px 0 6px;color:var(--blue-d)}
.tool-doc p{margin:0 0 8px;font-size:13px;line-height:1.85;color:#374151}
.tool-doc ol{margin:0 0 8px;padding-left:22px;font-size:13px;line-height:1.9;color:#374151}
.tool-doc li{margin:2px 0}
.tool-doc b{color:var(--ink)}
@media (max-width:640px){.tool-doc{padding:14px 14px}}

/* 屏幕标尺 */
.ruler-wrap{overflow-x:auto;padding:14px 16px 34px;background:#fff;border:1px solid var(--line);border-radius:8px;margin:10px 0}
.ruler{position:relative;height:58px;border-bottom:1px solid #94a3b8;background:linear-gradient(#fff,#f8fafc);min-width:100%}
.ruler i{position:absolute;bottom:0;width:1px;background:#64748b;display:block}
.ruler i.rk-half{background:#94a3b8}
.ruler i.rk-cm{width:2px;background:#1f2937}
.ruler .rk-num{position:absolute;bottom:30px;transform:translateX(-50%);font-size:12px;color:#1f2937;font-weight:600}
@media (max-width:640px){.ruler-wrap{padding:10px 10px 30px}}

/* 点名 / 分组结果 */
.pick-out{display:flex;flex-direction:column;align-items:center;gap:6px;padding:22px 16px;border-radius:12px;background:linear-gradient(135deg,#eff6ff,#f5f3ff);border:1px solid #dbeafe;margin:10px 0}
.pick-out b{font-size:28px;color:var(--blue-d);line-height:1.3;text-align:center;word-break:break-all}
.pick-out span{font-size:12px;color:var(--mut)}
.pick-groups{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;margin:10px 0}
.pick-group{padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}
.pick-group b{display:block;font-size:13px;color:var(--blue-d);margin-bottom:6px;padding-bottom:5px;border-bottom:1px dashed var(--line)}
.pick-group span{display:inline-block;font-size:13px;margin:2px 8px 2px 0}
.pick-rest{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.pick-rest span{font-size:12px;padding:3px 9px;border-radius:12px;background:#f1f5f9;color:#475569}

/* ================= 在线工具 · 深度处理（v20261018c） ================= */

/* 视频预览 */
.tool-video{display:block;width:100%;max-width:520px;margin:12px auto;border-radius:10px;background:#0f172a;border:1px solid var(--line)}
a.btn-p{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}

/* 快递 / 跳转时间线 */
.ex-line{position:relative;margin:10px 0 12px;padding-left:16px}
.ex-line::before{content:"";position:absolute;left:4px;top:6px;bottom:8px;width:2px;background:#e2e8f0;border-radius:2px}
.ex-item{position:relative;padding:7px 0 7px 12px;border-bottom:1px dashed #eef2f7}
.ex-item:last-child{border-bottom:0}
.ex-item::before{content:"";position:absolute;left:-16px;top:14px;width:9px;height:9px;border-radius:50%;background:#cbd5e1;border:2px solid #fff;box-shadow:0 0 0 2px #e2e8f0}
.ex-item b{display:block;font-size:12px;color:var(--mut);font-weight:600;font-variant-numeric:tabular-nums}
.ex-item span{display:block;font-size:13.5px;line-height:1.7;color:#1f2937;margin-top:2px}
.ex-item.ex-now::before{background:var(--blue);box-shadow:0 0 0 3px #dbeafe}
.ex-item.ex-now b{color:var(--blue-d)}
.ex-item.ex-now span{color:var(--ink);font-weight:600}

/* 抠图工作台 */
.cut-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#f8fafc;margin:10px 0}
.cut-bar label{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--mut)}
.cut-bar input[type=color]{width:34px;height:26px;padding:0;border:1px solid var(--line);border-radius:5px;background:#fff;cursor:pointer}
.cut-bar input[type=range]{width:96px;accent-color:var(--blue)}
.cut-bar em{font-style:normal;color:var(--blue-d);font-variant-numeric:tabular-nums;min-width:18px;text-align:right}
.cut-tools{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 10px}
.cut-tools .btn-s,.cut-tools .btn-p{padding:6px 14px}
.cut-tools .cut-on{background:var(--blue);color:#fff;border-color:var(--blue)}
.cut-stage{position:relative;display:flex;justify-content:center;margin:10px 0;border:1px solid var(--line);border-radius:10px;overflow:auto;background:#f1f5f9;padding:8px}
.cut-bg{position:absolute;left:8px;right:8px;top:8px;bottom:8px;border-radius:6px;
  background-image:linear-gradient(45deg,#e2e8f0 25%,transparent 25%),linear-gradient(-45deg,#e2e8f0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e2e8f0 75%),linear-gradient(-45deg,transparent 75%,#e2e8f0 75%);
  background-size:18px 18px;background-position:0 0,0 9px,9px -9px,-9px 0}
.cut-cv{position:relative;max-width:100%;height:auto;display:block;touch-action:none;cursor:crosshair;border-radius:6px}
@media (max-width:640px){
  .cut-bar{gap:8px;padding:8px}
  .cut-bar input[type=range]{width:74px}
  .cut-tools .btn-s,.cut-tools .btn-p{flex:1;padding:8px 6px;font-size:12px}
}

/* ===== v20261018d 图片工作室 / 印章 / 文档 / 生成器 ===== */
.pv2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
@media (max-width:640px){.pv2{grid-template-columns:1fr}}
.pv2-col{border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:10px;text-align:center}
.pv2-col b{display:block;font-size:12px;color:var(--mut);font-weight:400;margin-bottom:6px}
.pv2-col img{max-width:100%;max-height:340px;border-radius:6px;background:#fff;
  background-image:linear-gradient(45deg,#eef2f7 25%,transparent 25%),linear-gradient(-45deg,#eef2f7 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eef2f7 75%),linear-gradient(-45deg,transparent 75%,#eef2f7 75%);
  background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}
.pv2-col span{display:block;margin-top:6px;font-size:12px;color:var(--mut);font-variant-numeric:tabular-nums}
.cut2-res,.ico-row,.slice-grid{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}
.slice-cell,.ico-cell{border:1px solid var(--line);border-radius:8px;padding:8px;background:#fff;text-align:center;min-width:120px}
.slice-cell img,.ico-cell img{max-width:150px;max-height:150px}
.slice-cell b,.ico-cell b{display:block;font-size:12px;font-weight:400;color:var(--mut);margin:4px 0}
.ico-cell{display:flex;flex-direction:column;align-items:center;gap:4px}
.id-grid{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.id-main{display:grid;grid-template-columns:1fr 260px;gap:14px;align-items:start}
@media (max-width:720px){.id-main{grid-template-columns:1fr}}
.id-info{border:1px solid var(--line);border-radius:8px;background:#f8fafc;padding:10px}
.seal-stage{display:flex;justify-content:center;align-items:center;padding:18px;border:1px solid var(--line);border-radius:10px;
  background:#f8fafc;background-image:linear-gradient(45deg,#eef2f7 25%,transparent 25%),linear-gradient(-45deg,#eef2f7 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eef2f7 75%),linear-gradient(-45deg,transparent 75%,#eef2f7 75%);
  background-size:18px 18px;background-position:0 0,0 9px,9px -9px,-9px 0;margin:12px 0}
.seal-stage img{max-width:100%;height:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.12))}
.sign-wrap{display:grid;grid-template-columns:1fr 240px;gap:14px;align-items:start}
@media (max-width:720px){.sign-wrap{grid-template-columns:1fr}}
.sign-cv{width:100%;border:1px dashed #cbd5e1;border-radius:8px;background:#fff;touch-action:none;cursor:crosshair}
.sign-tools{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.sign-res{border:1px solid var(--line);border-radius:8px;padding:10px;background:#f8fafc;text-align:center}
.sign-res img{max-width:100%;background:#fff;border-radius:6px}
.avatar-row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin:12px 0}
.avatar-big{width:160px;height:160px;border-radius:50%;box-shadow:0 4px 14px rgba(0,0,0,.1)}
.avatar-mid{width:80px;height:80px;border-radius:50%}
.avatar-sm{width:40px;height:40px;border-radius:50%}
.conv-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin:12px 0}
.conv-item{border:1px solid var(--line);border-radius:8px;padding:10px;background:#fff}
.conv-item b{display:block;font-size:13px;margin-bottom:4px}
.conv-item span{font-size:12px;color:var(--mut)}
.css-demo{padding:22px;border:1px solid var(--line);border-radius:10px;background:#fff;margin:10px 0;display:flex;
  align-items:center;justify-content:center;min-height:110px;text-align:center}
.css-code{position:relative}
.shadow-demo,.radius-box{display:inline-block;padding:18px 26px;background:#fff;border:1px solid var(--line);margin:6px}
.shadow-box{background:#fff;padding:24px;border-radius:10px;margin:10px 0;text-align:center}

/* ==================================================================
   v20261019 · 工具站视觉升级（只作用于 body.tk-v2，其他页面不受影响）
   ================================================================== */
@keyframes tkPulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.65)}70%{box-shadow:0 0 0 7px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
@keyframes tkIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes tkFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes tkSpin{to{transform:rotate(360deg)}}

.tk-v2{--c1:#6366f1;--c2:#a855f7;--tk-ink:#0f172a;
  background:
    radial-gradient(880px 420px at 4% -8%,#e6eeff 0%,rgba(230,238,255,0) 68%),
    radial-gradient(760px 420px at 102% -4%,#ffe6f4 0%,rgba(255,230,244,0) 66%),
    radial-gradient(620px 380px at 50% 108%,#e8fff7 0%,rgba(232,255,247,0) 70%),
    linear-gradient(180deg,#f7f9ff 0%,#f6f7fb 60%,#f4f6fa 100%);
  background-attachment:fixed;
}

/* 顶栏：半透明毛玻璃 + 渐变导航 */
.tk-v2 .topbar{background:rgba(255,255,255,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(15,23,42,.07);position:sticky;top:0;z-index:50}
.tk-v2 .brand b{background:linear-gradient(120deg,#4f46e5,#7c3aed 45%,#db2777);-webkit-background-clip:text;background-clip:text;color:transparent}
.tk-v2 .mainnav{background:linear-gradient(95deg,#4f46e5 0%,#6d28d9 48%,#be185d 100%)}
.tk-v2 .mainnav a{color:rgba(255,255,255,.8)}
.tk-v2 .mainnav a.on,.tk-v2 .mainnav a:hover{color:#fff;background:rgba(255,255,255,.16);border-radius:8px}

/* 主体容器：工具页去掉侧栏，居中更舒展 */
.tk-v2 .tk-main{max-width:1080px;margin:0 auto;padding:16px 16px 48px}
.tk-v2 .crumbs{font-size:12.5px;color:#94a3b8;margin:2px 0 14px}
.tk-v2 .crumbs b{color:#334155;font-weight:600}

/* ---------------- 头图 ---------------- */
.tk-v2 .tk-hero{position:relative;overflow:hidden;border-radius:24px;color:#fff;margin:0 0 22px;
  padding:34px 36px;background:linear-gradient(118deg,var(--c1) 0%,var(--c2) 100%);
  box-shadow:0 26px 52px -26px rgba(49,46,129,.62)}
.tk-v2 .tk-hero::before{content:"";position:absolute;right:-90px;top:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.42),rgba(255,255,255,0) 68%)}
.tk-v2 .tk-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:60%;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:16px 16px;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000);mask-image:linear-gradient(180deg,transparent,#000);opacity:.55}
.tk-v2 .tk-hero-idx{background:linear-gradient(118deg,#4338ca 0%,#7c3aed 46%,#db2777 100%)}
.tk-v2 .tk-hero> *{position:relative;z-index:1}
.tk-v2 .tk-hero-cat{display:inline-block;font-size:11.5px;letter-spacing:2px;text-transform:uppercase;
  padding:4px 12px;border-radius:20px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.28)}
.tk-v2 .tk-hero h1{margin:14px 0 10px;font-size:30px;line-height:1.24;letter-spacing:-.4px;
  text-shadow:0 2px 16px rgba(15,23,42,.18);color:#fff}
.tk-v2 .tk-hero-idx h1{font-size:33px}
.tk-v2 .tk-hero-idx h1 b{font-size:52px;line-height:1;margin-right:6px;letter-spacing:-2px;
  background:linear-gradient(180deg,#fff,#dbeafe);-webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 6px 24px rgba(0,0,0,.25)}
.tk-v2 .tk-hero p{margin:0;max-width:760px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.9)}
.tk-v2 .tk-hero-ic{position:absolute;right:30px;top:50%;transform:translateY(-50%);width:96px;height:96px;border-radius:26px;
  display:grid;place-items:center;font-size:44px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4);animation:tkFloat 6s ease-in-out infinite}
@media (max-width:760px){.tk-v2 .tk-hero-ic{display:none}}
.tk-v2 .tk-hero-in{position:relative;z-index:1;max-width:760px}
.tk-v2 .tk-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tk-v2 .tk-tag{font-size:11.5px;padding:5px 12px;border-radius:20px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.26);color:#fff;backdrop-filter:blur(4px)}
.tk-v2 .tk-tag.hot{background:#fff;color:#7c2d12;border-color:#fff;font-weight:700;
  box-shadow:0 6px 18px -8px rgba(0,0,0,.5)}
.tk-v2 .tk-tag.batch{background:#065f46;color:#fff;border-color:#059669;font-weight:700}

/* 搜索框 */
.tk-v2 .tool-search{position:relative;display:flex;align-items:center;gap:10px;margin:18px 0 12px;
  background:rgba(255,255,255,.96);border-radius:16px;padding:4px 6px 4px 16px;max-width:620px;
  box-shadow:0 18px 36px -20px rgba(0,0,0,.6)}
.tk-v2 .tool-search span{font-size:16px;opacity:.7}
.tk-v2 .tool-search input{flex:1;border:0;background:transparent;padding:13px 4px;font-size:15.5px;color:#0f172a;font-family:inherit;outline:0}
.tk-v2 .tool-search b{font-size:11.5px;color:#64748b;font-weight:400;padding-right:10px;white-space:nowrap}

/* 高频入口 */
.tk-v2 .tool-hot{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 14px}
.tk-v2 .tool-hot>span{font-size:12px;color:rgba(255,255,255,.8)}
.tk-v2 .tool-hot a{font-size:12.5px;color:#fff;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);
  border-radius:20px;padding:5px 13px;transition:.16s}
.tk-v2 .tool-hot a:hover{background:#fff;color:#4338ca;border-color:#fff;transform:translateY(-1px)}

/* 分类导航 */
.tk-v2 .tool-nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;padding-top:16px;border-top:1px solid rgba(255,255,255,.18)}
.tk-v2 .tool-nav a{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#0f172a;background:rgba(255,255,255,.94);
  border-radius:12px;padding:7px 12px;border:0;box-shadow:0 8px 18px -14px rgba(0,0,0,.8);transition:.16s}
.tk-v2 .tool-nav a:hover{transform:translateY(-2px);box-shadow:0 14px 24px -14px rgba(0,0,0,.8);background:#fff}
.tk-v2 .tool-nav a i{font-style:normal;font-size:14px;line-height:1}
.tk-v2 .tool-nav a b{font-weight:400;font-size:11px;color:#64748b;background:#f1f5f9;border-radius:8px;padding:1px 6px}
.tk-v2 .tool-nav a:hover b{background:#eef2ff;color:#4338ca}

/* ---------------- 分类板块 ---------------- */
.tk-v2 .tool-cat{background:#fff;border-radius:22px;padding:20px 22px 22px;margin:0 0 18px;
  box-shadow:0 1px 2px rgba(15,23,42,.04),0 22px 44px -34px rgba(15,23,42,.5);border:1px solid rgba(15,23,42,.04)}
.tk-v2 .tc-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 16px}
.tk-v2 .tc-em{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:19px;flex:none;
  background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:0 10px 20px -12px var(--c1)}
.tk-v2 .tc-head h2{margin:0;font-size:18px;letter-spacing:-.2px;color:#0f172a;position:relative;padding-left:0}
.tk-v2 .tc-head h2::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--c1),var(--c2));opacity:.55}
.tk-v2 .tc-head p{margin:0;font-size:12px;color:#8b95a8;flex:1;min-width:200px}
.tk-v2 .tc-head em{font-style:normal;font-size:11.5px;color:#4338ca;background:#eef2ff;border-radius:20px;padding:3px 10px}

/* ---------------- 工具卡 ---------------- */
.tk-v2 .tool-grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(238px,1fr));gap:10px}
.tk-v2 .tool-card{position:relative;display:flex;align-items:flex-start;gap:10px;padding:13px 14px;border-radius:15px;
  border:1px solid #eef1f7;background:linear-gradient(180deg,#fff,#fcfdff);overflow:hidden;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,border-color .18s}
.tk-v2 .tool-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c1),var(--c2));opacity:0;transition:.18s}
.tk-v2 .tool-card:hover{transform:translateY(-3px);border-color:transparent;
  box-shadow:0 18px 30px -18px rgba(15,23,42,.45),0 0 0 1.5px rgba(99,102,241,.16)}
.tk-v2 .tool-card:hover::before{opacity:1}
.tk-v2 .tc-ic{width:34px;height:34px;flex:none;border-radius:11px;display:grid;place-items:center;
  font-size:14.5px;font-weight:700;color:#fff;font-style:normal;letter-spacing:0;
  background:linear-gradient(140deg,var(--c1),var(--c2));box-shadow:0 8px 16px -10px var(--c1)}
.tk-v2 .tc-tx{flex:1;min-width:0;padding-right:16px}
.tk-v2 .tc-tx b{display:block;font-size:13.5px;color:#0f172a;margin-bottom:3px;line-height:1.4;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tk-v2 .tc-tx span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:11.8px;line-height:1.65;color:#8b95a8}
.tk-v2 .tc-live{position:absolute;right:9px;top:9px;font-style:normal;font-size:9.5px;font-weight:700;
  color:#047857;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:20px;padding:1px 6px;transform:scale(.92)}
.tk-v2 .tc-go{position:absolute;right:11px;bottom:9px;font-size:13px;color:var(--c1);opacity:0;
  transform:translateX(-4px);transition:.18s;text-decoration:none}
.tk-v2 .tool-card:hover .tc-go{opacity:.9;transform:none}

/* ---------------- 工作台 ---------------- */
.tk-v2 .tool-wrap{background:#fff;border:1px solid rgba(15,23,42,.05);border-radius:22px;padding:0;overflow:hidden;
  margin:0 0 22px;box-shadow:0 30px 60px -40px rgba(15,23,42,.65),0 2px 6px rgba(15,23,42,.04)}
.tk-v2 .bench-bar{display:flex;align-items:center;gap:10px;padding:14px 20px;color:#fff;
  background:linear-gradient(100deg,var(--c1),var(--c2))}
.tk-v2 .bench-ic{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:17px;
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.28);flex:none}
.tk-v2 .bench-bar b{font-size:15px;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tk-v2 .bench-cat{font-size:11px;padding:2px 9px;border-radius:20px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.24);white-space:nowrap}
.tk-v2 .bench-live{font-style:normal;font-size:11px;font-weight:700;display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:20px;background:#fff;color:#0f172a;box-shadow:0 6px 14px -8px rgba(0,0,0,.5)}
.tk-v2 .bench-live i{width:6px;height:6px;border-radius:50%;background:#22c55e;animation:tkPulse 1.9s infinite}
.tk-v2 .bench-tip{margin-left:auto;font-size:11.5px;color:rgba(255,255,255,.82);white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis}
@media (max-width:760px){.tk-v2 .bench-tip{display:none}.tk-v2 .bench-bar{padding:12px 14px}.tk-v2 .bench-bar b{font-size:14px}}
.tk-v2 .bench-body{padding:18px 20px 20px}
@media (max-width:640px){.tk-v2 .bench-body{padding:14px 14px 16px}}

/* 输入控件 */
.tk-v2 .tool-ta,.tk-v2 .tool-in{border:1.5px solid #e6eaf3;background:#f8faff;border-radius:12px;color:#0f172a;
  transition:border-color .16s,box-shadow .16s,background .16s}
.tk-v2 .tool-ta{padding:13px 14px;font-size:13px;line-height:1.7}
.tk-v2 .tool-in{padding:10px 12px;font-size:13.5px}
.tk-v2 .tool-ta:focus,.tk-v2 .tool-in:focus{outline:0;border-color:var(--c1);background:#fff;
  box-shadow:0 0 0 4px rgba(99,102,241,.1)}
.tk-v2 .tool-ta::placeholder,.tk-v2 .tool-in::placeholder{color:#a7b0c2}
.tk-v2 .tp-lab{font-size:11.8px;color:#64748b;font-weight:600;letter-spacing:.2px}
.tk-v2 .tp-opts{grid-template-columns:repeat(auto-fill,minmax(186px,1fr));gap:12px;margin:14px 0 6px}
.tk-v2 .tp-group{border:1px solid #edf1f8;border-radius:14px;background:#fcfdff;overflow:hidden;margin:14px 0}
.tk-v2 .tp-group>summary{padding:11px 14px;font-size:12.5px;color:#4338ca;background:linear-gradient(90deg,#f5f7ff,#fbfcff);
  border-bottom:1px solid #edf1f8}
.tk-v2 .tp-group>.tp-opts{padding:12px 14px 4px;background:transparent}
.tk-v2 .tp-color{height:42px;padding:4px;background:#fff}
.tk-v2 .tp-range{height:34px;accent-color:var(--c1);background:transparent;border:0}
.tk-v2 .tp-rv{font-size:12.5px;font-weight:700;color:var(--c1);min-width:48px}

/* 按钮 */
.tk-v2 .tool-btns{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:18px 0 4px}
.tk-v2 .btn-p{border:0;border-radius:11px;padding:11px 24px;font-size:14px;font-weight:700;color:#fff;
  background:linear-gradient(100deg,var(--c1),var(--c2));font-family:inherit;cursor:pointer;
  box-shadow:0 14px 26px -14px var(--c1);transition:transform .16s,filter .16s}
.tk-v2 .btn-p:hover{filter:brightness(1.07);transform:translateY(-1px)}
.tk-v2 .btn-p:active{transform:translateY(0) scale(.99)}
.tk-v2 .btn-s{border:1.5px solid #e6eaf3;border-radius:11px;padding:11px 20px;font-size:13.5px;background:#fff;
  color:#475569;font-family:inherit;cursor:pointer;transition:.16s}
.tk-v2 .btn-s:hover{border-color:var(--c1);color:var(--c1);background:#f8faff}

/* 结果区 */
.tk-v2 .tool-out{margin:6px 0 0;border-radius:16px;border:1.5px dashed #e2e8f4;background:transparent;
  font-size:13px;line-height:1.7;color:#0f172a;min-height:0}
.tk-v2 .tool-out[data-empty]:empty{display:block;padding:30px 16px;text-align:center;color:#adb6c6;
  font-size:12.5px;letter-spacing:.3px}
.tk-v2 .tool-out[data-empty]:empty::before{content:attr(data-empty)}
.tk-v2 .tool-out:not(:empty){padding:16px 16px 14px;border-style:solid;border-color:#eef2fa;
  background:linear-gradient(180deg,#fdfeff,#fbfcff);animation:tkIn .26s ease both}
.tk-v2 .tool-pre{background:#f7f9ff;border:1px solid #eef2fa;border-radius:12px;padding:13px 15px;
  font-size:12.5px;line-height:1.8;max-height:520px}
.tk-v2 .tool-grid-kv{gap:10px;margin:6px 0}
.tk-v2 .kv-item{border:1px solid #eef2fa;border-radius:13px;padding:11px 13px;
  background:linear-gradient(160deg,#fff,#f7faff)}
.tk-v2 .kv-item b{font-size:15.5px;letter-spacing:-.2px}
.tk-v2 .kv-item span{color:#8b95a8}
.tk-v2 .tool-big{position:relative;padding:18px 20px;border-radius:16px;margin:10px 0 14px;color:#fff;overflow:hidden;
  background:linear-gradient(115deg,var(--c1),var(--c2));box-shadow:0 20px 34px -22px var(--c1)}
.tk-v2 .tool-big span{font-size:12px;color:rgba(255,255,255,.85);display:block}
.tk-v2 .tool-big b{display:block;font-size:34px;line-height:1.25;letter-spacing:-1px;margin:2px 0 0}
.tk-v2 .tool-big em{font-style:normal;font-size:12px;color:rgba(255,255,255,.8)}
.tk-v2 .tool-bars .tb-bar{background:#eef2fa;border-radius:6px;height:9px}
.tk-v2 .tool-bars .tb-row{margin:7px 0}
.tk-v2 .tool-table{border-collapse:separate;border-spacing:0;border:1px solid #edf1f8;border-radius:12px;overflow:hidden;font-size:12.5px}
.tk-v2 .tool-table th,.tk-v2 .tool-table td{border:0;border-bottom:1px solid #f1f4fa;padding:9px 11px}
.tk-v2 .tool-table th{background:linear-gradient(180deg,#f7f9ff,#f2f5ff);color:#334155;font-size:12px;letter-spacing:.2px}
.tk-v2 .tool-table tr:last-child td{border-bottom:0}
.tk-v2 .tool-table tbody tr:hover td{background:#fafbff}
.tk-v2 .btn-copy{border:1px solid #dfe6f5;background:#fff;border-radius:8px;padding:3px 10px;font-size:11.5px;
  color:var(--c1);font-weight:600;transition:.15s}
.tk-v2 .btn-copy:hover{background:var(--c1);color:#fff;border-color:var(--c1)}
.tk-v2 .tool-msg{color:#0f766e;background:#effefa;border:1px solid #c7f5e9;border-radius:10px;padding:9px 12px;font-size:12.5px}
.tk-v2 .tool-msg.err{color:#b42318;background:#fff5f4;border-color:#ffd9d5}
.tk-v2 .tool-msg.warn{color:#92400e;background:#fffbeb;border-color:#fde68a}

/* 说明 / 同类 */
.tk-v2 .tool-doc{background:#fff;border-radius:20px;padding:24px 26px;margin:0 0 20px;
  border:1px solid rgba(15,23,42,.04);box-shadow:0 22px 44px -36px rgba(15,23,42,.5)}
.tk-v2 .tool-doc h2{margin:0 0 12px;font-size:18px;letter-spacing:-.2px;display:flex;align-items:center;gap:8px}
.tk-v2 .tool-doc h2::before{content:"";width:5px;height:18px;border-radius:4px;background:linear-gradient(180deg,var(--c1),var(--c2))}
.tk-v2 .tool-doc h3{margin:20px 0 8px;font-size:14px;color:#334155}
.tk-v2 .tool-doc h3::before{content:"§ ";color:var(--c1);font-weight:700}
.tk-v2 .tool-doc p{margin:0 0 8px;font-size:13px;line-height:1.95;color:#5b6476}
.tk-v2 .tool-doc ol{margin:6px 0 0;padding-left:20px}
.tk-v2 .tool-doc li{font-size:13px;line-height:2;color:#5b6476}
.tk-v2 .tool-more{margin-top:6px}
.tk-v2 .tool-more h2{font-size:16px;margin:0 0 14px;display:flex;align-items:center;gap:6px}
.tk-v2 .tool-more h2 span{background:linear-gradient(90deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}

.tk-v2 .foot{margin-top:8px;background:transparent;border-top:1px solid rgba(15,23,42,.06)}

@media (max-width:640px){
  .tk-v2 .tk-main{padding:12px 12px 36px}
  .tk-v2 .tk-hero{padding:24px 18px;border-radius:18px;margin-bottom:16px}
  .tk-v2 .tk-hero h1{font-size:23px}
  .tk-v2 .tk-hero-idx h1{font-size:23px}
  .tk-v2 .tk-hero-idx h1 b{font-size:36px}
  .tk-v2 .tk-hero p{font-size:12.5px;line-height:1.8}
  .tk-v2 .tool-cat{padding:16px 14px;border-radius:18px}
  .tk-v2 .tool-grid-cards{grid-template-columns:1fr;gap:8px}
  .tk-v2 .tc-tx b{font-size:13px}
  .tk-v2 .tp-opts{grid-template-columns:1fr 1fr;gap:10px}
  .tk-v2 .tool-btns .btn-p,.tk-v2 .tool-btns .btn-s{flex:1;justify-content:center;text-align:center}
  .tk-v2 .tool-doc{padding:18px 16px;border-radius:16px}
  .tk-v2 .tool-big b{font-size:27px}
}

/* 兜底：无包装层的工具卡标题/描述（搜索结果等动态节点） */
.tk-v2 .tool-card>b{flex:1;min-width:0;font-size:13.5px;color:#0f172a;line-height:1.4;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tk-v2 .tool-card>span{flex-basis:100%;font-size:11.8px;line-height:1.65;color:#8b95a8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 无损放大进度条 */
.up-run{padding:4px 0}
.up-tt{font-size:12.5px;color:#475569;margin-bottom:10px}
.up-bar{height:12px;border-radius:8px;background:#eef2fa;overflow:hidden;box-shadow:inset 0 1px 2px rgba(15,23,42,.06)}
.up-bar i{display:block;height:100%;width:0;border-radius:8px;transition:width .18s ease;
  background:linear-gradient(90deg,#6366f1,#a855f7)}
.up-pct{display:inline-block;margin-top:6px;font-size:13px;font-weight:700;color:#6d28d9;font-variant-numeric:tabular-nums}
.up-src{margin-top:4px;font-size:11.5px;color:#8b95a8}

/* ---------- 科学计算器面板 ---------- */
.tool-btns-hide{display:none !important}
.ck{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:14px;align-items:start}
@media(max-width:880px){.ck{grid-template-columns:1fr}}
.ck-main{border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,#fbfcff,#fff);padding:14px}
.ck-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:9px}
.ck-chip{border:1px solid #c7d2fe;background:#eef2ff;color:#3730a3;border-radius:999px;padding:4px 11px;
  font:700 12px/1.4 "Microsoft YaHei",sans-serif;cursor:pointer}
.ck-chip.on{background:#4f46e5;border-color:#4f46e5;color:#fff;box-shadow:0 4px 12px -6px rgba(79,70,229,.9)}
.ck-fmt{margin-left:auto;border:1px solid var(--line);border-radius:8px;padding:3px 6px;font-size:12px;color:#334155;background:#fff;cursor:pointer}
.ck-mem{font-size:11.5px;color:#94a3b8;min-width:56px;text-align:right;font-variant-numeric:tabular-nums}
.ck-mem.on{color:#4f46e5;font-weight:700}
.ck{scroll-margin-top:96px}
.ck-expr{width:100%;scroll-margin-top:96px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#f8fafc;outline:none;
  font:600 17px/1.4 Consolas,Menlo,"Microsoft YaHei",monospace;color:#0f172a}
.ck-expr:focus{border-color:#818cf8;background:#fff;box-shadow:0 0 0 3px rgba(99,102,241,.13)}
.ck-res{margin:6px 2px 10px;text-align:right;min-height:40px;word-break:break-all;
  font:700 31px/1.25 Consolas,Menlo,monospace;color:#111827;font-variant-numeric:tabular-nums}
.ck-res.bad{font:500 13px/40px "Microsoft YaHei",sans-serif;color:#dc2626;text-align:left}
.ck-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px}
.ck-btn{border:1px solid #e2e8f0;background:#fff;border-radius:10px;padding:11px 0;cursor:pointer;
  font:600 15px/1.1 "Microsoft YaHei",sans-serif;color:#1f2937;transition:.12s;user-select:none;-webkit-tap-highlight-color:transparent}
.ck-btn:hover{border-color:#c7d2fe;background:#f5f7ff}
.ck-btn:active{transform:translateY(1px);box-shadow:inset 0 2px 5px rgba(15,23,42,.07)}
.ck-btn.num{font:600 17px/1.1 Consolas,Menlo,monospace}
.ck-btn.op{background:#eef2ff;border-color:#dbe3ff;color:#3730a3;font-size:17px}
.ck-btn.op:hover{background:#e0e7ff}
.ck-btn.fn{background:#f8fafc;color:#334155;font-size:13.5px}
.ck-btn.fn.on{background:#4f46e5;border-color:#4f46e5;color:#fff}
.ck-btn.warn{color:#b91c1c}
.ck-btn.eq{background:var(--blue);border-color:var(--blue);color:#fff;font-size:19px}
.ck-btn.eq:hover{background:var(--blue-d);border-color:var(--blue-d)}
.ck-side{display:flex;flex-direction:column;gap:10px;min-width:0}
.ck-card{border:1px solid var(--line);border-radius:14px;background:#fff;padding:10px 12px}
.ck-h3{display:flex;align-items:center;justify-content:space-between;margin:0 0 6px;
  font:700 12.5px/1.6 "Microsoft YaHei",sans-serif;color:#475569}
.ck-mini{border:1px solid var(--line);background:#fff;border-radius:6px;padding:1px 8px;
  font:400 11px/1.7 "Microsoft YaHei",sans-serif;color:#64748b;cursor:pointer}
.ck-mini:hover{color:#b91c1c;border-color:#fecaca;background:#fef2f2}
.ck-hist{max-height:250px;overflow:auto}
.ck-hi{display:block;width:100%;text-align:left;border:0;background:transparent;cursor:pointer;
  border-bottom:1px dashed #eef2f7;padding:6px 2px;font:400 12px/1.5 Consolas,Menlo,monospace;color:#64748b;word-break:break-all}
.ck-hi:hover{background:#f8fafc}
.ck-hi b{display:block;color:#0f172a;font-size:13.5px}
.ck-empty{font-size:12px;color:#94a3b8;padding:6px 2px;line-height:1.7}
.ck-tips{margin:0;padding-left:16px;font-size:12px;color:#64748b;line-height:1.8}
.ck-detail{margin-top:12px}

/* ============================== 免登录在线传文件 ============================== */
.fu-actions[hidden],.fu-list[hidden]{display:none!important}
.fu-wrap{display:flex;flex-direction:column;gap:14px}
.fu-drop{border:2px dashed #cbd5e1;border-radius:14px;background:linear-gradient(180deg,#f8fafc,#fff);padding:34px 18px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;position:relative}
.fu-drop:hover,.fu-drop.drag{border-color:#f97316;background:#fff7ed}
.fu-drop:focus-visible{outline:2px solid #f97316;outline-offset:2px}
.fu-drop-ic{font-size:38px;line-height:1}
.fu-drop-t1{font-size:16.5px;font-weight:700;color:#0f172a;margin-top:8px}
.fu-drop-t2{font-size:12.5px;color:#64748b;margin-top:4px}
.fu-modes{display:flex;gap:10px;flex-wrap:wrap}
.fu-mode{flex:1;min-width:200px;text-align:left;border:1.5px solid #e2e8f0;border-radius:12px;background:#fff;padding:12px 14px;cursor:pointer;transition:all .15s;font-family:inherit}
.fu-mode b{display:block;font-size:14.5px;color:#0f172a}
.fu-mode span{display:block;font-size:12px;color:#64748b;margin-top:3px}
.fu-mode:hover{border-color:#f97316}
.fu-mode.on{border-color:#f97316;background:#fff7ed;box-shadow:0 0 0 1px #f97316 inset}
.fu-list{display:flex;flex-direction:column;gap:8px}
.fu-item{display:flex;align-items:center;gap:10px;border:1px solid #e2e8f0;border-radius:10px;padding:9px 12px;background:#fff;flex-wrap:wrap;position:relative}
.fu-item.fu-s1{border-color:#fb923c}
.fu-item.fu-s2{border-color:#34d399;background:#f0fdf4}
.fu-item.fu-s3{border-color:#f87171;background:#fef2f2}
.fu-nm{font-weight:600;font-size:13.5px;color:#0f172a;max-width:46%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fu-sz{font-size:12px;color:#64748b}
.fu-st{font-size:12px;padding:2px 10px;border-radius:99px;background:#f1f5f9;color:#475569}
.fu-s1 .fu-st{background:#ffedd5;color:#c2410c}
.fu-s2 .fu-st{background:#d1fae5;color:#047857}
.fu-s3 .fu-st{background:#fee2e2;color:#b91c1c}
.fu-rm{margin-left:auto;border:none;background:#f1f5f9;color:#64748b;width:22px;height:22px;border-radius:50%;cursor:pointer;font-size:15px;line-height:1}
.fu-rm:hover{background:#fee2e2;color:#b91c1c}
.fu-bar{position:absolute;left:0;bottom:0;height:3px;width:100%;background:#f1f5f9;border-radius:0 0 10px 10px;overflow:hidden}
.fu-bar u{display:block;height:100%;background:linear-gradient(90deg,#f97316,#f43f5e);transition:width .2s}
.fu-err{width:100%;font-size:12px;color:#b91c1c;font-style:normal}
.fu-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.fu-hint{font-size:12.5px;color:#64748b}
.fu-results{display:flex;flex-direction:column;gap:12px}
.fu-card{border:1.5px solid #34d399;border-radius:14px;background:#f0fdf4;padding:14px 16px}
.fu-card-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.fu-card-h b{font-size:14px;color:#0f172a;max-width:50%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fu-card-h span{font-size:12px;color:#64748b}
.fu-exp{margin-left:auto;font-size:12px;color:#c2410c;background:#ffedd5;border-radius:99px;padding:2px 10px;font-style:normal}
.fu-card-b{display:flex;gap:14px;align-items:center;margin-top:10px;flex-wrap:wrap}
.fu-link{display:flex;gap:8px;flex:1;min-width:260px;flex-wrap:wrap}
.fu-link input{flex:1;min-width:200px;border:1px solid #cbd5e1;border-radius:8px;padding:7px 10px;font-size:13px;color:#0f172a;background:#fff}
.fu-qr{width:160px;text-align:center}
.fu-qr img{border:4px solid #fff;border-radius:8px;box-shadow:0 1px 6px rgba(15,23,42,.12)}
.fu-qr span{font-size:12px;color:#64748b}
.fu-tip{font-size:12px;color:#475569;margin:8px 0 0}
.fu-limits{border:1px solid #fca5a5;border-left:4px solid #ef4444;border-radius:10px;background:#fef2f2;padding:12px 16px}
.fu-limits h4{margin:0 0 6px;font-size:13.5px;color:#b91c1c}
.fu-limits ul{margin:0;padding-left:18px}
.fu-limits li{font-size:12.5px;color:#7f1d1d;line-height:1.9}

/* ---- 传文件：四步分区强化（2026-10-19 第二版） ---- */
.fu-step{border:1px solid #e2e8f0;border-radius:14px;background:#fff;padding:14px 16px 16px;margin-top:2px}
.fu-step-h{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.fu-step-h i{font-style:normal;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#f97316,#f43f5e);color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;flex:none}
.fu-step-h b{font-size:15.5px;color:#0f172a}
.fu-step-h span{font-size:12.5px;color:#94a3b8;margin-left:auto;text-align:right}
.fu-step .fu-drop{border-radius:10px;padding:24px 16px}
.fu-card{border:1.5px solid #34d399;border-radius:14px;background:#f0fdf4;padding:14px 16px}
.fu-keys{flex:1;min-width:260px;display:flex;flex-direction:column;gap:10px}
.fu-key-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.fu-key-lab{font-size:12px;color:#475569;background:#e2e8f0;border-radius:6px;padding:3px 8px;flex:none}
.fu-key-row input{flex:1;min-width:150px;border:1px solid #cbd5e1;border-radius:8px;padding:7px 10px;font-size:13.5px;font-weight:600;color:#0f172a;background:#fff}
.fu-code{font-size:30px;font-weight:800;letter-spacing:.35em;text-indent:.35em;color:#c2410c;background:#fff;border:2px dashed #fb923c;border-radius:10px;padding:2px 10px;line-height:1.4}
.fu-qr{width:170px;flex:none;text-align:center;margin:0 auto}
.fu-qr svg{border:6px solid #fff;border-radius:10px;box-shadow:0 1px 6px rgba(15,23,42,.14);width:158px;height:158px}
.fu-qr span{display:block;font-size:11.5px;color:#64748b;margin-top:6px;line-height:1.6}
.fu-open{font-size:12.5px;text-decoration:none;width:fit-content}
.fu-alt{width:100%;font-size:12.5px;color:#64748b}
.fu-alt summary{cursor:pointer;width:fit-content;user-select:none}
.fu-alt summary:hover{color:#2563eb}
.fu-alt input{flex:1;min-width:150px;border:1px dashed #cbd5e1;border-radius:8px;padding:6px 10px;font-size:12.5px;color:#475569;background:#f8fafc;margin-top:6px}
.fu-alt .btn-copy{margin-top:6px}
@media (max-width:640px){.fu-qr{width:100%}.fu-step-h span{display:none}}

/* ============================== 纯净系统（微软原版镜像） ============================== */
.sys-home{display:flex;align-items:center;gap:14px;margin:16px 0 4px;padding:16px 20px;border-radius:14px;
  background:linear-gradient(135deg,#0f172a,#1e293b 55%,#0b3b5c);color:#fff;text-decoration:none;
  box-shadow:0 8px 24px rgba(15,23,42,.18);transition:transform .15s,box-shadow .15s}
.sys-home:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,23,42,.24)}
.sh-ic{font-size:30px;line-height:1;flex:none}
.sh-tx{flex:1;min-width:0}
.sh-tx b{display:block;font-size:16px;letter-spacing:.3px}
.sh-tx span{display:block;font-size:12.5px;color:#cbd5e1;margin-top:4px;line-height:1.7}
.sh-go{flex:none;font-size:13px;font-weight:700;color:#fff;background:rgba(56,189,248,.22);
  border:1px solid rgba(56,189,248,.55);border-radius:99px;padding:7px 14px;white-space:nowrap}
.sys-hero{background:linear-gradient(160deg,#f8fafc,#eef6ff);border:1px solid #e2e8f0;border-radius:16px;
  padding:26px 26px 22px;margin:14px 0 6px}
.sys-hero h1{font-size:24px;line-height:1.35;color:#0f172a;margin:0 0 12px}
.sys-hero-tx p{font-size:14px;line-height:1.95;color:#334155;margin:0 0 10px}
.sys-tip{margin-top:14px;background:#fff7ed;border:1px solid #fed7aa;border-left:4px solid #f97316;
  border-radius:10px;padding:10px 14px;font-size:13px;line-height:1.9;color:#9a3412}
.sys-note{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:16px 20px;margin:16px 0 4px}
.sys-note h2{font-size:15.5px;color:#0f172a;margin:0 0 8px}
.sys-points{margin:0;padding-left:20px}
.sys-points li{font-size:13px;line-height:2;color:#475569}
@media (max-width:640px){
  .sys-home{flex-wrap:wrap;padding:14px 16px}
  .sh-go{width:100%;text-align:center}
  .sys-hero{padding:18px 16px}
  .sys-hero h1{font-size:19px}
}

/* ---- 纯净系统：说明 + 全部宝贝链接列表（2026-10-19 改版） ---- */
.sys-hero-tx .sys-lead{font-weight:700;color:#0f172a;margin:12px 0 6px}
.sys-hero-tx .sys-point{margin:0 0 4px;color:#475569}
.sys-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:8px;counter-reset:sys}
.sys-list li{counter-increment:sys}
.sys-list a{display:flex;align-items:center;gap:10px;border:1px solid #e2e8f0;border-radius:10px;padding:10px 12px;background:#fff;text-decoration:none;transition:border-color .15s,box-shadow .15s;height:100%}
.sys-list a:hover{border-color:#2563eb;box-shadow:0 2px 10px rgba(37,99,235,.10)}
.sys-list a::before{content:counter(sys);flex:none;width:24px;height:24px;border-radius:6px;background:#eff6ff;color:#2563eb;font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center}
.sl-name{flex:1;min-width:0;font-size:13.5px;color:#0f172a;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sl-meta{flex:none;font-size:11.5px;color:#94a3b8;white-space:nowrap}
.sl-go{flex:none;font-style:normal;color:#cbd5e1;font-size:18px;line-height:1}
@media (max-width:640px){.sys-list{grid-template-columns:1fr}}

/* ---- 纯净系统：须知条目 / 四步走 / 镜像宝贝正文（2026-10-20 凸显版） ---- */
.sys-rules{background:#fff;border:1px solid #dbeafe;border-radius:14px;padding:16px 20px 10px;margin:16px 0 0;box-shadow:0 2px 10px rgba(37,99,235,.06)}
.sys-rules .sr-hd{margin:0 0 10px;font-size:15px;font-weight:800;color:#1d4ed8;display:flex;align-items:center;gap:8px}
.sys-rules .sr-hd::before{content:"";width:4px;height:16px;border-radius:2px;background:#2563eb}
.sys-rules ol{list-style:none;margin:0;padding:0;counter-reset:r}
.sys-rules li{position:relative;counter-increment:r;padding:7px 0 7px 34px;font-size:13.5px;line-height:1.9;color:#334155;border-top:1px dashed #e8eef7}
.sys-rules li:first-child{border-top:0}
.sys-rules li::before{content:counter(r);position:absolute;left:0;top:9px;width:22px;height:22px;border-radius:50%;
  background:#eff6ff;color:#2563eb;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}
.sys-rules li b{color:#0f172a;font-weight:800;margin-right:8px;background:linear-gradient(transparent 62%,#fde68a 62%);padding:0 2px}
.tx-hl{color:#c2410c !important;font-weight:800;background:linear-gradient(transparent 62%,#fed7aa 62%);padding:0 3px;border-radius:2px}
.sys-hero-tx p .tx-hl{color:#c2410c;font-size:14.5px}
.sys-rules li .tx-hl{margin-right:0;background:linear-gradient(transparent 62%,#fed7aa 62%)}
.mdn-list li .tx-hl{color:#c2410c;font-weight:800}
.sys-steps{margin:16px 0 0;background:linear-gradient(135deg,#fff7ed,#fffbeb);border:1px solid #fed7aa;border-radius:14px;padding:16px 20px 12px}
.sys-steps .ss-hd{margin:0 0 10px;font-size:15px;font-weight:800;color:#c2410c;display:flex;align-items:center;gap:8px}
.sys-steps .ss-hd::before{content:"";width:4px;height:16px;border-radius:2px;background:#f97316}
.sys-steps ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.sys-steps li{display:flex;gap:9px;align-items:flex-start;background:#fff;border:1px solid #fde9cf;border-radius:10px;padding:10px 12px}
.sys-steps li i{flex:none;width:22px;height:22px;border-radius:50%;background:#f97316;color:#fff;font-size:12px;font-weight:800;
  font-style:normal;display:flex;align-items:center;justify-content:center;margin-top:1px}
.sys-steps li b{display:block;font-size:13.5px;color:#9a3412;line-height:1.5}
.sys-steps li span{display:block;font-size:12px;color:#7c2d12;line-height:1.6;margin-top:2px}

/* 镜像宝贝正文 */
.md-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px;margin:0 0 14px}
.mdc-row{display:flex;gap:10px;align-items:baseline;background:#f8fafc;border:1px solid #e6edf6;border-radius:10px;padding:9px 14px;font-size:13.5px}
.mdc-row span{flex:none;color:#64748b}
.mdc-row b{color:#0f172a;font-weight:700;line-height:1.6}
.md-note{background:#fff;border:1px solid #dbeafe;border-left:4px solid #2563eb;border-radius:12px;padding:14px 18px 12px;margin:0 0 14px;box-shadow:0 2px 10px rgba(37,99,235,.06)}
.md-note .mdn-hd{margin:0 0 8px;font-size:15px;font-weight:800;color:#1d4ed8}
.mdn-list{list-style:none;margin:0;padding:0;counter-reset:m}
.mdn-list li{position:relative;counter-increment:m;padding:6px 0 6px 30px;font-size:13.5px;line-height:1.9;color:#334155}
.mdn-list li::before{content:counter(m);position:absolute;left:0;top:8px;width:20px;height:20px;border-radius:50%;
  background:#eff6ff;color:#2563eb;font-size:11.5px;font-weight:800;display:flex;align-items:center;justify-content:center}
.mdn-list li b{color:#0f172a;font-weight:800}
.mdn-list li em{font-style:normal;color:#c2410c;font-weight:800;background:#fff7ed;border-radius:4px;padding:0 4px}
.md-steps{margin:0 0 12px}
.md-steps ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.md-steps li{display:flex;gap:9px;align-items:flex-start;background:#fff7ed;border:1px solid #fde9cf;border-radius:10px;padding:10px 12px}
.md-steps li i{flex:none;width:22px;height:22px;border-radius:50%;background:#f97316;color:#fff;font-size:12px;font-weight:800;
  font-style:normal;display:flex;align-items:center;justify-content:center;margin-top:1px}
.md-steps li b{display:block;font-size:13.5px;color:#9a3412;line-height:1.5}
.md-steps li span{display:block;font-size:12px;color:#7c2d12;line-height:1.6;margin-top:2px}
.md-foot{margin:0;font-size:12.5px;line-height:1.9;color:#64748b}
.md-foot a{color:#2563eb;font-weight:700;text-decoration:underline}

/* ============================== 下载扫码引导弹窗（2026-10-20） ============================== */
/* 点下载按钮后整屏弹出一个「页面」：扫码引导 → 关掉后同一页面变成下载链接 */
.gate-modal{position:fixed;inset:0;width:100%;max-width:none;height:100%;max-height:none;border-radius:0;
  background:#fff;overflow:auto;box-shadow:none;display:flex;flex-direction:column}
.gate-modal .modal-x{position:fixed;top:14px;right:16px;z-index:3;width:38px;height:38px;border-radius:50%;
  background:#f1f5f9;border:1px solid #e2e8f0;font-size:22px;line-height:1;display:flex;align-items:center;justify-content:center}
.gate-modal .modal-x:hover{background:#e2e8f0;color:#0f172a}
.gate{flex:1;width:100%;max-width:620px;margin:0 auto;padding:52px 22px 28px;display:flex;flex-direction:column;justify-content:center}
.gate[hidden]{display:none}
.reveal[hidden]{display:none}
.reveal{flex:1;width:100%;max-width:700px;margin:0 auto;padding:52px 22px 28px;display:flex;flex-direction:column;justify-content:center}
.gate-kicker{margin:0 0 10px;text-align:center;font-size:12px;font-weight:800;letter-spacing:3px;color:#2563eb}
.gate-hd{margin:0 0 8px;text-align:center;font-size:24px;line-height:1.5;color:#0f172a;font-weight:800;padding:0 20px}
.gate-hd b{color:#1d4ed8;background:linear-gradient(transparent 60%,#bfdbfe 60%);padding:0 3px;border-radius:2px}
.gate-sub{text-align:center;margin:0 0 22px;font-size:18px;line-height:1.6;font-weight:800;color:#c2410c}
.gate-sub b{color:#ea580c;border-bottom:2px solid #fdba74;padding-bottom:1px}
.gate-qrs{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.gq{flex:1 1 200px;max-width:250px;margin:0;text-align:center;background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:14px 10px 12px}
.gq-box{width:148px;height:148px;margin:0 auto;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid #e6edf6;border-radius:10px;overflow:hidden}
.gq-box img{display:block;width:140px;height:140px;object-fit:contain}
.gq-ph{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  background:repeating-linear-gradient(45deg,#f1f5f9,#f1f5f9 6px,#fff 6px,#fff 12px);color:#64748b}
.gq-ph span{font-size:12px;letter-spacing:4px;color:#94a3b8}
.gq-ph b{font-size:15px;color:#1d4ed8;font-weight:800;letter-spacing:.5px}
.gq figcaption{margin-top:8px;font-size:13.5px;font-weight:800;color:#0f172a;line-height:1.5}
.gq p{margin:2px 0 0;font-size:11.5px;color:#94a3b8;line-height:1.6}
.gate-esc{margin:22px 0 14px;text-align:center;font-size:16px;font-weight:800;color:#15803d;
  background:#f0fdf4;border:1px dashed #86efac;border-radius:10px;padding:11px 12px;letter-spacing:.5px}
.gate-btn{display:block;width:100%;max-width:420px;margin:0 auto;border:0;border-radius:10px;background:#1d4ed8;color:#fff;
  font-size:15px;font-weight:800;padding:13px;cursor:pointer;letter-spacing:.5px}
.reveal .modal-hd{padding:0 0 12px;font-size:20px;text-align:center;font-weight:800;line-height:1.5}
.reveal .modal-hd em{font-size:14px}
.reveal .modal-bd{justify-content:center;padding:0}
.gate-btn:hover{background:#1e40af}
@media (max-width:640px){
  .gate{padding:64px 16px 24px;justify-content:flex-start}
  .reveal{padding:64px 16px 24px;justify-content:flex-start}
  .gate-hd{font-size:19px}
  .gate-sub{font-size:15px}
  .gq{flex:1 1 44%;max-width:none;padding:10px 6px 8px}
  .gq-box{width:120px;height:120px}
  .gq-box img{width:112px;height:112px}
  .gate-esc{font-size:13.5px}
}

/* ==================== 视频教程栏目（2026-10-20） ==================== */
/* 首页入口条（沿用纯净系统条的骨架，换配色） */
.vt-home{display:flex;align-items:center;gap:14px;margin:12px 0 4px;padding:16px 20px;border-radius:14px;
  background:linear-gradient(135deg,#4c1d95,#6d28d9 55%,#7c3aed);color:#fff;text-decoration:none;
  box-shadow:0 8px 24px rgba(76,29,149,.22);transition:transform .15s,box-shadow .15s}
.vt-home:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(76,29,149,.3)}
.vh-ic{font-size:30px;line-height:1;flex:none}
.vh-tx{flex:1;min-width:0}
.vh-tx b{display:block;font-size:16px;letter-spacing:.3px}
.vh-tx span{display:block;font-size:12.5px;color:#ddd6fe;margin-top:4px;line-height:1.7}
.vh-go{flex:none;font-size:13px;font-weight:700;color:#fff;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.45);border-radius:99px;padding:7px 14px;white-space:nowrap}

/* 栏目头 */
.vt-hero-sec{background:linear-gradient(135deg,#0f172a,#312e81 60%,#4c1d95);color:#fff;border-radius:14px;
  padding:24px 26px;margin:6px 0 18px;box-shadow:0 10px 30px rgba(30,27,75,.2)}
.vt-hero-sec h1{margin:0 0 8px;font-size:23px;letter-spacing:.5px}
.vt-hero-sec p{margin:0;font-size:13.5px;line-height:1.9;color:#c7d2fe;max-width:820px}
.vt-hero-sec p em{font-style:normal;color:#fde68a;font-weight:700}
.vt-stats{display:flex;gap:22px;margin-top:14px;flex-wrap:wrap}
.vt-stats span{font-size:12.5px;color:#c7d2fe}
.vt-stats b{font-size:19px;color:#fff;margin-right:3px}

/* 分类入口 */
.vt-cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin:0 0 6px}
.vt-cat{display:flex;flex-direction:column;gap:3px;background:var(--card);border:1px solid var(--line);
  border-radius:10px;padding:12px 14px;transition:all .15s}
.vt-cat:hover{border-color:#7c3aed;box-shadow:0 6px 18px rgba(124,58,237,.14);transform:translateY(-1px)}
.vt-cat b{font-size:13.5px;color:#1e293b}
.vt-cat span{font-size:12px;color:var(--mut)}

/* 卡片网格：16:9 大图 */
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:16px;margin:0 0 8px}
.vcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:transform .15s,box-shadow .15s,border-color .15s}
.vcard:hover{transform:translateY(-2px);border-color:#c4b5fd;box-shadow:0 12px 26px rgba(76,29,149,.14)}
.vc-cover{position:relative;display:block;aspect-ratio:16/9;background:#eef2f7;overflow:hidden}
.vc-cover img{width:100%;height:100%;object-fit:cover;display:block}
.vc-dur{position:absolute;right:8px;bottom:8px;font-style:normal;font-size:11.5px;color:#fff;
  background:rgba(15,23,42,.78);border-radius:4px;padding:2px 7px;letter-spacing:.2px}
.vc-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:13.5px;font-weight:600;line-height:1.5;color:#111827;padding:10px 12px 0;min-height:41px}
.vcard:hover .vc-title{color:#6d28d9}
.vc-meta{font-size:12px;color:var(--mut);padding:4px 12px 12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vgrid-sm{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.vgrid-sm .vc-title{font-size:12.5px;-webkit-line-clamp:2;min-height:38px}

/* 分类页 tab（带条数） */
.vt-chips a{display:inline-flex;align-items:center;gap:6px}
.vt-chips a em{font-style:normal;font-size:11px;color:#94a3b8}
.vt-chips a.on em{color:rgba(255,255,255,.85)}

/* 详情页 */
.vt-detail .vt-hero{margin:0 0 16px;border-radius:12px;overflow:hidden;background:#0f172a;box-shadow:0 10px 26px rgba(15,23,42,.14)}
.vt-detail .vt-hero img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.vt-info{margin:0 0 16px;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px}
.vt-abs{margin:0;font-size:13.5px;line-height:1.95;color:#334155}
.vt-tag{display:inline-block;font-size:11.5px;color:#6d28d9;background:#f5f3ff;border:1px solid #ddd6fe;
  border-radius:4px;padding:1px 7px;margin-right:8px}
.d-meta .vt-tag{margin-right:10px}
.vt-watch h2{border-left-color:#7c3aed}
.vt-watch h2 small{color:#7c3aed}
.dl-btn.b-watch{color:#7c3aed;border-color:#7c3aed}
.dl-btn.b-watch:hover{background:#7c3aed}
/* 搜索结果里的视频行 */
.vrow-cover{width:96px;height:54px;border-radius:6px}
.vrow-cover img{width:100%;height:100%;object-fit:cover}

@media (max-width:760px){
  .vt-home{flex-wrap:wrap;padding:14px 16px}
  .vh-go{width:100%;text-align:center}
  .vt-hero-sec{padding:18px 16px}
  .vt-hero-sec h1{font-size:19px}
  .vt-cats{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  .vgrid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .vc-title{font-size:12.5px;min-height:38px;padding:8px 10px 0}
  .vc-meta{padding:4px 10px 10px}
  .vrow-cover{width:80px;height:45px}
}

/* ---------- 软件详情（结构化版 2026-10-21） ---------- */
.sd-hero{display:flex;gap:20px;margin:14px 0 4px;align-items:flex-start}
.sd-cover{width:280px;flex:none;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.sd-cover img{display:block;width:100%;height:auto}
.sd-info{flex:1;min-width:0}
.sd-sub{margin:0 0 10px;font-size:14px;color:#64748b}
.sd-meta.sd-info{display:block}
.sd-meta .md-info{grid-template-columns:1fr 1fr;margin:0}
.sd-go{display:flex;align-items:center;gap:14px;margin-top:14px;flex-wrap:wrap}
.sd-dlgo{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;font-weight:700;border-radius:8px;padding:11px 22px;font-size:15px}
.sd-dlgo:hover{background:var(--blue-d);color:#fff}
.sd-free{font-size:12.5px;color:var(--ok);font-weight:600}
.sd-sec{margin:22px 0 6px}
.sd-sec h2{font-size:17px;border-left:4px solid var(--blue);padding-left:10px;margin:0 0 10px}
.sd-list{margin:0;padding:0;list-style:none;display:grid;gap:6px}
.sd-list li{position:relative;padding-left:18px;font-size:14.5px;line-height:1.8;color:#374151}
.sd-list li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.sd-list b{color:#0f172a}
.sd-steps{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.sd-steps li{display:flex;gap:12px;background:#f8fafc;border:1px solid #e6edf6;border-radius:10px;padding:12px 14px}
.sd-steps li>i{flex:none;width:26px;height:26px;border-radius:50%;background:var(--blue);color:#fff;font-style:normal;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;margin-top:2px}
.sd-steps li p{margin:0;font-size:14.5px;line-height:1.8}
.sd-steps li img{display:block;max-width:min(620px,100%);border-radius:8px;border:1px solid var(--line);margin-top:8px}
.sd-shots{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.sd-shot{margin:0}
.sd-shot img{border:1px solid var(--line);border-radius:8px;width:100%;height:auto;cursor:zoom-in}
.sd-tip{background:#fffbeb;border:1px solid #fde68a;border-left:4px solid #f59e0b;border-radius:10px;padding:12px 16px;margin-top:20px}
.sd-tip h2{border-left-color:#f59e0b}
.dl-multi{flex-direction:column;align-items:stretch;gap:10px;max-width:600px}
.dl-item{display:flex;align-items:center;gap:10px}
.dl-item .dl-btn{flex:1;justify-content:center}
.dl-code{font-size:13px;color:#64748b;white-space:nowrap}
.dl-code code{cursor:pointer}
.dl-code code:hover{color:#dc2626;border-color:#fca5a5}
.chips a em{font-style:normal;color:#94a3b8;margin-left:6px;font-size:11px}
.chips a:hover em{color:inherit}
/* 截图灯箱 */
.lb{position:fixed;inset:0;z-index:200;background:rgba(15,23,42,.82);display:flex;align-items:center;justify-content:center;padding:24px;cursor:zoom-out}
.lb[hidden]{display:none}
.lb img{max-width:min(1100px,94vw);max-height:92vh;border-radius:10px;box-shadow:0 24px 70px rgba(0,0,0,.5)}
@media (max-width:720px){
  .sd-hero{flex-direction:column}
  .sd-cover{width:min(320px,86%);margin:0 auto}
}

/* ---------- 软件安装 · 高大上目录（2026-10-21） ---------- */
.dt-wrap{display:grid;gap:14px}
.dt-sec{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 1px 3px rgba(15,23,42,.04)}
.dt-sec:hover{box-shadow:0 6px 22px rgba(30,64,175,.10)}
.dt-hd{display:flex;align-items:center;gap:12px;padding:12px 18px;background:linear-gradient(90deg,#eff5ff 0%,#f8fbff 60%,transparent);border-bottom:1px solid var(--line)}
.dt-hd h3{margin:0;font-size:16.5px;letter-spacing:.5px}
.dt-hd h3 a{color:var(--blue-d)}
.dt-hd h3 a:hover{color:var(--blue)}
.dt-n{font-size:12.5px;color:#fff;background:linear-gradient(135deg,#3b82f6,#1d4ed8);border-radius:20px;padding:3px 12px;font-weight:600;white-space:nowrap}
.dt-all{margin-left:auto;font-size:13px;color:var(--blue);white-space:nowrap}
.dt-body{padding:14px 18px 18px;display:grid;gap:14px}
/* 三级品牌组 */
.dtg h4,.dtg h5{margin:0 0 8px;font-size:14px}
.dtg h4 a,.dtg h5 a{color:#0f172a;display:inline-flex;align-items:center;gap:6px}
.dtg h4 a:hover,.dtg h5 a:hover{color:var(--blue)}
.dtg h4 em,.dtg h5 em{font-style:normal;font-size:11px;color:#64748b;background:#eef2f7;border-radius:10px;padding:1px 8px}
.dtg-wide{border:1px dashed #dbe4f0;border-radius:10px;padding:12px 14px;background:#fbfdff}
.dt-subs{display:grid;gap:12px}
/* 软件名列表：多列流式 */
.dtg-names{list-style:none;margin:0;padding:0;columns:4;column-gap:22px}
.dtg-names li{break-inside:avoid;margin:0 0 2px}
.dtg-names a{font-size:13px;color:#475569;text-decoration:none;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.9}
.dtg-names a:hover{color:var(--blue);text-decoration:underline}
@media (max-width:1000px){.dtg-names{columns:3}}
@media (max-width:760px){.dtg-names{columns:2}.dt-hd{padding:10px 12px;flex-wrap:wrap}.dt-body{padding:10px 12px 14px}}
@media (max-width:480px){.dtg-names{columns:1}}

/* ---------- 首页主分类横幅（bento 风格 2026-10-21） ---------- */
.bands{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hband{position:relative;display:flex;align-items:center;gap:16px;padding:22px 24px;border-radius:16px;text-decoration:none;
  background:var(--card);border:1px solid var(--line);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.hband:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(30,64,175,.16)}
.hband::after{content:"";position:absolute;right:-38px;top:-38px;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle,rgba(59,130,246,.16),transparent 70%)}
.hb-ic{flex:none;width:58px;height:58px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:28px;background:linear-gradient(135deg,#eff5ff,#e0ecff);border:1px solid #dbe7fb}
.hb-tx{flex:1;min-width:0;display:grid;gap:4px}
.hb-tx b{font-size:17px;color:#0f172a;letter-spacing:.5px}
.hb-tx>span{font-size:13px;color:#64748b;line-height:1.6}
.hb-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.hb-tags i{font-style:normal;font-size:11.5px;color:#1d4ed8;background:#eff5ff;border:1px solid #dbe7fb;border-radius:20px;padding:2px 10px}
.hb-n{flex:none;font-size:12.5px;font-weight:700;color:#fff;background:linear-gradient(135deg,#3b82f6,#1d4ed8);
  border-radius:20px;padding:4px 13px;white-space:nowrap}
.hb-go{flex:none;font-size:13px;color:var(--blue);font-weight:600;white-space:nowrap}
.hb-wide{grid-column:1 / -1;padding:26px 28px;background:linear-gradient(120deg,#f0f6ff 0%,#ffffff 55%,#f5f3ff 100%)}
.hb-wide .hb-ic{width:66px;height:66px;font-size:32px}
.hb-wide .hb-tx b{font-size:19px}
/* 每个栏目一种主题色 */
.hb-soft .hb-ic{background:linear-gradient(135deg,#e0ecff,#dbeafe)}
.hb-sys .hb-ic{background:linear-gradient(135deg,#e0e7ff,#e0f2fe)}
.hb-video .hb-ic{background:linear-gradient(135deg,#fce7f3,#ede9fe)}
.hb-tut .hb-ic{background:linear-gradient(135deg,#ecfccb,#dcfce7)}
.hb-tools .hb-ic{background:linear-gradient(135deg,#ffedd5,#fef3c7)}
.hb-android .hb-ic{background:linear-gradient(135deg,#dcfce7,#d1fae5)}
.hb-topic .hb-ic{background:linear-gradient(135deg,#f1f5f9,#e2e8f0)}
.home-kf{margin-top:20px}
.home-kf .kf-card{max-width:none;width:100%;display:grid;grid-template-columns:1fr auto;gap:10px 26px;align-items:center}
.home-kf .kf-card h3{grid-column:1/-1;margin:0}
.home-kf .kf-qr{display:flex;align-items:center;gap:14px;grid-row:2/4;grid-column:2}
/* 目录页图标 + 科技感强化 */
.dt-hd .dt-ic{flex:none;width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:20px;background:linear-gradient(135deg,#eff5ff,#e0ecff);border:1px solid #dbe7fb}
.dt-hd{padding:12px 18px;background:linear-gradient(90deg,#f0f6ff 0%,#f8fbff 55%,rgba(248,251,255,0) 100%)}
.dt-hd h3{font-size:16.5px;letter-spacing:.5px}
.dt-n{box-shadow:0 4px 10px rgba(37,99,235,.25)}
/* hero 科技感 */
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#1d4ed8 0%,#2563eb 45%,#4f46e5 100%);
  border-radius:18px;padding:44px 36px;margin:14px 0 22px;color:#fff}
.hero::before{content:"";position:absolute;inset:0;opacity:.18;
  background-image:linear-gradient(rgba(255,255,255,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:36px 36px;mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent)}
.hero h1{color:#fff;font-size:30px;letter-spacing:1px}
.hero p{color:rgba(255,255,255,.88)}
.hero-btns .hero-kf{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.45);color:#fff}
.hero-btns .hero-dl{background:#fff;color:#1d4ed8}
.hero-btns .hero-dl:hover{background:#eff5ff;color:#1d4ed8}
.hero-btns .hero-kf:hover{background:rgba(255,255,255,.24);color:#fff}
@media (max-width:860px){.bands{grid-template-columns:1fr}.home-kf .kf-card{grid-template-columns:1fr}}

/* ---------- 首页横幅统一规格（2026-10-21 用户反馈：大小/按钮位置不一） ---------- */
.hband{align-items:stretch;min-height:112px;padding:18px 22px}
.hb-ic{align-self:center}
.hb-tx{align-self:center}
.hb-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hb-side{flex:none;align-self:center;width:96px;display:flex;flex-direction:column;align-items:center;gap:9px;
  padding-left:18px;border-left:1px dashed #dbe4f0;margin-left:6px}
.hb-n{font-style:normal;font-size:12.5px;font-weight:700;color:#fff;background:linear-gradient(135deg,#3b82f6,#1d4ed8);
  border-radius:20px;padding:4px 14px;white-space:nowrap;box-shadow:0 4px 10px rgba(37,99,235,.22)}
.hb-go{font-style:normal;font-size:12.5px;color:var(--blue);background:#eff5ff;border:1px solid #d3e2fb;
  border-radius:18px;padding:5px 16px;white-space:nowrap;transition:all .15s ease}
.hband:hover .hb-go{background:var(--blue);color:#fff;border-color:var(--blue)}
.hb-wide{min-height:132px;padding:22px 26px}
.hb-wide .hb-side{width:104px}
@media (max-width:860px){
  .hband{min-height:0}
  .hb-side{width:auto;border-left:0;padding-left:0;margin-left:0;flex-direction:row}
  .hb-desc{-webkit-line-clamp:3}
}

/* ---------- 首页 · 七条纵向通栏横幅（2026-10-21 定稿：类 hero 长条，各自配色） ---------- */
.cstrips{display:grid;gap:20px;padding:20px 0 8px}
.cstrip{position:relative;display:flex;align-items:center;gap:22px;min-height:116px;padding:28px 34px;
  border-radius:18px;overflow:hidden;color:#fff;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease}
.cstrip::before{content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:38px 38px;mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 75%)}
.cstrip::after{content:"";position:absolute;right:-46px;top:-52px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.20),transparent 70%);pointer-events:none}
.cstrip:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(15,23,42,.28)}
.cs-ic{flex:none;width:66px;height:66px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:33px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.38)}
.cs-tx{flex:1;min-width:0;display:grid;gap:6px;position:relative;z-index:1}
.cs-tx b{font-size:21px;letter-spacing:1.5px;color:#fff}
.cs-tx>span{font-size:13.5px;color:rgba(255,255,255,.88);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cs-n{flex:none;font-size:13px;font-weight:700;color:#fff;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.45);border-radius:20px;padding:5px 15px;white-space:nowrap;position:relative;z-index:1}
.cs-go{flex:none;font-size:13.5px;font-weight:700;color:#1e293b;background:#fff;border-radius:10px;
  padding:10px 20px;white-space:nowrap;position:relative;z-index:1;transition:all .15s ease}
.cstrip:hover .cs-go{background:#f0f6ff;transform:translateX(2px)}
/* 各栏目配色（蓝→靛 / 青→蓝 / 紫→品红 / 绿→青绿 / 琥珀→橙 / 草绿→青柠 / 石板→深灰蓝） */
.cs-soft{background:linear-gradient(120deg,#1d4ed8 0%,#4f46e5 100%);box-shadow:0 10px 26px rgba(49,46,190,.30)}
.cs-sys{background:linear-gradient(120deg,#0e7490 0%,#2563eb 100%);box-shadow:0 10px 26px rgba(14,116,144,.30)}
.cs-video{background:linear-gradient(120deg,#7c3aed 0%,#c026d3 100%);box-shadow:0 10px 26px rgba(124,58,237,.30)}
.cs-tut{background:linear-gradient(120deg,#047857 0%,#0d9488 100%);box-shadow:0 10px 26px rgba(4,120,87,.30)}
.cs-tools{background:linear-gradient(120deg,#b45309 0%,#ea580c 100%);box-shadow:0 10px 26px rgba(180,83,9,.30)}
.cs-android{background:linear-gradient(120deg,#15803d 0%,#65a30d 100%);box-shadow:0 10px 26px rgba(21,128,61,.30)}
.cs-topic{background:linear-gradient(120deg,#334155 0%,#0f172a 100%);box-shadow:0 10px 26px rgba(15,23,42,.30)}
@media (max-width:760px){
  .cstrip{flex-wrap:wrap;gap:14px;padding:20px 20px;min-height:0}
  .cs-ic{width:52px;height:52px;font-size:26px}
  .cs-tx{flex:1 1 100%;order:3}
  .cs-n{order:1}
  .cs-go{order:2;margin-left:auto}
  .cs-tx>span{-webkit-line-clamp:3}
}
.cs-tx h1{margin:0;font-size:21px;letter-spacing:1.5px;color:#fff;font-weight:700}

/* ---------- 目录页简洁版：三级软件名 chips（2026-10-21） ---------- */
.dt-chips{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;padding:16px 18px 18px}
.dt-chip{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 16px;border-radius:10px;
  background:var(--card);border:1px solid var(--line);text-decoration:none;transition:all .15s ease}
.dt-chip span{font-size:14px;font-weight:600;color:#1e293b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dt-chip em{font-style:normal;flex:none;font-size:11.5px;color:#1d4ed8;background:#eff5ff;border:1px solid #dbe7fb;border-radius:14px;padding:2px 10px}
.dt-chip:hover{border-color:var(--blue);background:#f5f9ff;transform:translateY(-2px);box-shadow:0 6px 18px rgba(30,64,175,.12)}
/* 弹窗提取码行 */
.m-code{display:flex;align-items:center;gap:12px;margin-top:10px;padding:10px 14px;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:10px}
.m-code[hidden]{display:none}
.m-code span{font-size:13px;color:#64748b}
.m-code code{font-size:15px;font-weight:700;color:#0f172a;letter-spacing:2px}
/* ---------- 纯净系统页科技感（2026-10-21） ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.anim{animation:fadeUp .5s ease both}
.a2{animation-delay:.12s}
.sys-banner{position:relative;display:flex;align-items:center;gap:24px;padding:34px 38px;margin:14px 0 18px;
  border-radius:18px;overflow:hidden;color:#fff;background:linear-gradient(120deg,#0e7490 0%,#2563eb 60%,#4f46e5 100%);
  box-shadow:0 12px 30px rgba(14,116,144,.30)}
.sys-banner::before{content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:38px 38px;mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 75%)}
.sys-banner::after{content:"";position:absolute;right:-50px;top:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.20),transparent 70%)}
.sb-ic{flex:none;width:70px;height:70px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  font-size:36px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.38)}
.sb-tx{flex:1;min-width:0;position:relative;z-index:1}
.sb-tx h1{margin:0 0 8px;font-size:23px;letter-spacing:1px;color:#fff}
.sb-tx p{margin:0 0 12px;font-size:13.5px;color:rgba(255,255,255,.88);line-height:1.7}
.sb-tags{display:flex;flex-wrap:wrap;gap:8px}
.sb-tags i{font-style:normal;font-size:12px;font-weight:600;color:#fff;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.42);border-radius:18px;padding:3px 13px}
.sys-duo{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.sys-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.sys-card .sr-hd,.sys-card .ss-hd{margin:0 0 10px;font-size:15px;color:var(--blue-d);font-weight:700}
.sys-card ol{margin:0;padding-left:20px;display:grid;gap:6px}
.sys-card li{font-size:13.5px;line-height:1.75;color:#374151}
.sys-card li b{color:#0f172a}
.sys-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.sys-list li a{display:flex;align-items:center;gap:14px;padding:13px 18px;background:var(--card);
  border:1px solid var(--line);border-radius:12px;text-decoration:none;transition:all .15s ease}
.sys-list li a:hover{border-color:var(--blue);background:#f5f9ff;transform:translateX(4px);box-shadow:0 6px 18px rgba(30,64,175,.10)}
.sys-list .sl-name{flex:1;font-size:14.5px;font-weight:600;color:#0f172a;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sys-list .sl-meta{flex:none;font-size:12px;color:#64748b}
.sys-list .sl-go{flex:none;font-style:normal;color:var(--blue);font-weight:700}
@media (max-width:760px){.sys-duo{grid-template-columns:1fr}.sys-banner{padding:22px 20px;flex-wrap:wrap}.sb-tx h1{font-size:19px}}

/* ---------- 内页统一渐变页头（2026-10-21 定稿：全站风格与首页彩色横幅一致） ---------- */
.phero{position:relative;overflow:hidden;border-radius:18px;margin:16px 0 18px;padding:26px 32px;color:#fff;
  display:flex;align-items:center;gap:22px;min-height:104px}
/* 配色全部由 cs-* 渐变类提供（与首页横幅同一套），此处不再设背景避免覆盖 */
.phero::before{content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:34px 34px}
.phero::after{content:"";position:absolute;right:-46px;top:-52px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%)}
.phero>*{position:relative;z-index:1}
.ph-ic{flex:0 0 auto;width:58px;height:58px;border-radius:14px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;font-size:28px}
.ph-tx{flex:1;min-width:0}
.ph-crumb{font-size:12px;margin-bottom:6px;color:rgba(255,255,255,.75)}
.phero .crumbs{margin-bottom:6px}
.phero .crumbs i{color:rgba(255,255,255,.5)}
.phero .crumbs a{color:rgba(255,255,255,.85)}
.phero .crumbs a:hover{color:#fff}
.phero .crumbs b{color:#fff}
.phero h1{margin:0 0 6px;font-size:24px;line-height:1.3;color:#fff;letter-spacing:.4px}
.phero p{margin:0;font-size:13px;color:rgba(255,255,255,.88);line-height:1.75;max-width:860px}
.ph-tags{display:inline-flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.ph-tags i{font-style:normal;font-size:12px;padding:4px 12px;border-radius:20px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff}
.ph-btns{margin:0 0 18px}
.sys-banner .ph-crumb{margin-bottom:4px;color:rgba(255,255,255,.78)}
.sys-banner .ph-crumb i{color:rgba(255,255,255,.5)}
.sys-banner .ph-crumb a{color:rgba(255,255,255,.88)}
.sys-banner .ph-crumb a:hover{color:#fff}
.sys-banner .ph-crumb b{color:#fff}
@media (max-width:760px){.phero{padding:18px;gap:14px;border-radius:14px;min-height:0}
  .ph-ic{width:44px;height:44px;font-size:22px;border-radius:10px}
  .phero h1{font-size:19px}.phero p{font-size:12px}.ph-tags i{font-size:11px;padding:3px 10px}}
/* 页头下方的按钮行落在白底上（原样式针对深色横幅内设计） */
.ph-btns .hero-dl{background:#16a34a;color:#fff}
.ph-btns .hero-dl:hover{background:#15803d}
.ph-btns .hero-kf{background:#fff;border:1.5px solid #cbd5e1;color:var(--blue)}
.ph-btns .hero-kf:hover{background:#f5f9ff;color:var(--blue)}

/* ---------- 分类内搜索框（2026-10-21：只搜本分类，输入即出候选） ---------- */
.phero.has-search{overflow:visible}
.phero.has-search::before,.phero.has-search::after{border-radius:inherit}
.csform{position:relative;display:flex;align-items:center;margin-top:14px;max-width:560px;
  background:rgba(255,255,255,.97);border-radius:11px;padding:5px 5px 5px 13px;
  box-shadow:0 8px 22px rgba(15,23,42,.20)}
.csf-ic{flex:none;font-size:15px;opacity:.75;margin-right:8px}
.csform input[name="q"]{flex:1;min-width:0;border:0;outline:none;background:transparent;
  font-size:14px;color:#0f172a;padding:8px 0}
.csform input[name="q"]::placeholder{color:#7c8798}
.csform button{flex:none;border:0;border-radius:8px;background:var(--blue);color:#fff;
  padding:9px 18px;font-size:13.5px;font-weight:700;cursor:pointer;white-space:nowrap}
.csform button:hover{background:var(--blue-d)}
.csform .sug{top:calc(100% + 7px);border-radius:11px;box-shadow:0 18px 44px rgba(15,23,42,.22)}
.phero .ph-x{color:#fff;text-decoration:underline;text-underline-offset:3px;font-weight:700}
.phero .ph-x:hover{color:#f1f5f9}
.sys-banner .csform{margin-top:14px}
@media (max-width:760px){.csform{max-width:100%;margin-top:12px;padding-left:11px}
  .csform button{padding:8px 12px;font-size:12.5px}.csform input[name="q"]{font-size:13px}}

/* ---------- 装机专题 · 分类墙（科技感） ---------- */
.tp-toplinks{display:flex;gap:12px;margin:16px 0 18px;flex-wrap:wrap}
.tp-quick{flex:1;min-width:240px;display:flex;align-items:center;gap:12px;background:linear-gradient(120deg,#0f172a,#1e3a8a);
  color:#fff;border-radius:14px;padding:14px 18px;position:relative;overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.tp-quick::after{content:'';position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(6,182,212,.45),transparent 70%)}
.tp-quick:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,23,42,.25)}
.tp-quick b{font-size:16.5px}
.tp-quick span{font-size:12.5px;opacity:.75;margin-left:auto}
.tp-quick-soft{background:linear-gradient(120deg,#0f172a,#065f46)}
.tp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.tp-cat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 14px 10px;
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease}
.tp-cat:hover{transform:translateY(-2px);border-color:#bfdbfe;box-shadow:0 10px 26px rgba(37,99,235,.12)}
.tp-hd{display:flex;align-items:center;gap:8px;margin:0 0 10px}
.tp-bar{width:4px;height:16px;flex:none;border-radius:2px;background:linear-gradient(180deg,#2563eb,#06b6d4);
  box-shadow:0 0 8px rgba(37,99,235,.55)}
.tp-hd h2{margin:0;font-size:15.5px;font-weight:800;color:var(--blue-d);letter-spacing:.5px}
.tp-hd h2 a:hover{color:var(--blue)}
.tp-chip{margin-left:auto;font-family:Consolas,Menlo,monospace;font-size:10.5px;line-height:1;color:#0891b2;
  background:#ecfeff;border:1px solid #a5f3fc;border-radius:99px;padding:4px 8px;display:flex;gap:4px;align-items:center;white-space:nowrap}
.tp-chip em{font-style:normal;color:#94a3b8;border-left:1px solid #a5f3fc;padding-left:4px}
.tp-list{display:flex;flex-direction:column;gap:4px}
.tp-item{display:flex;align-items:center;gap:10px;padding:7px 6px;border-radius:10px;transition:background .15s ease}
.tp-item:hover{background:#f0f6ff}
.tp-ic{width:38px;height:38px;flex:none;border-radius:9px;background:#fff;border:1px solid var(--line);
  box-shadow:0 2px 6px rgba(15,23,42,.06);transition:transform .15s ease}
.tp-item:hover .tp-ic{transform:scale(1.08)}
.tp-tx{min-width:0;display:flex;flex-direction:column;gap:1px}
.tp-tx b{font-size:13.5px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tp-item:hover .tp-tx b{color:var(--blue-d)}
.tp-stars{font-size:11px;line-height:1;letter-spacing:1px}
.tp-stars i{font-style:normal;color:#f59e0b}
.tp-stars em{font-style:normal;color:#e5e7eb}
@media (max-width:760px){.tp-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .tp-cat{padding:12px 10px 8px}.tp-tx b{font-size:12.5px}.tp-ic{width:32px;height:32px}}

/* ==================== 装机专题 · 二级教程页（2026-10-28 参照系统之家） ==================== */
/* 二级导航（产品介绍 / 一键装机 / U盘装机） */
.zj-nav{background:var(--card);border-bottom:1px solid var(--line)}
.zj-nav .wrap{display:flex;gap:4px;overflow-x:auto;white-space:nowrap}
.zj-nav a{padding:11px 18px;font-size:15px;color:var(--mut);border-bottom:2px solid transparent;position:relative}
.zj-nav a:hover{color:var(--blue)}
.zj-nav a.on{color:var(--blue);font-weight:700;border-bottom-color:var(--blue)}

/* 装机专题页二级入口卡（三张，与纯净系统/软件安装快捷卡同排风格） */
.tp-zjlinks .tp-zj{color:#fff;position:relative;overflow:hidden}
.tp-zj-cp{background:linear-gradient(120deg,#1e3a8a,#2563eb)}
.tp-zj-yj{background:linear-gradient(120deg,#7c2d12,#ea580c)}
.tp-zj-up{background:linear-gradient(120deg,#065f46,#0d9488)}

/* 三级 tab 条（在线装Win7/Win10/Win11 · U盘制作教程/装Win7/10/11） */
.zj-tabs{margin:16px 0 6px;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:auto}
.zj-tabs .wrap{display:flex;white-space:nowrap}
.zj-tabs a{flex:1;text-align:center;padding:12px 18px;font-size:15px;color:var(--mut);border-bottom:2px solid transparent;min-width:120px}
.zj-tabs a:hover{color:var(--blue);background:#f8fafc}
.zj-tabs a.on{color:var(--blue-d);font-weight:700;border-bottom-color:var(--blue);background:#eff6ff}

/* 温馨提示条 */
.zj-tip{margin:12px 0 0;padding:9px 14px;background:#fffbeb;border:1px solid #fde68a;border-radius:8px;color:#92400e;font-size:13px}

/* 产品介绍三卡 */
.zj-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin-top:16px}
.zj-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 20px 18px;transition:.15s}
.zj-card:hover{box-shadow:0 10px 26px rgba(15,23,42,.09);transform:translateY(-2px)}
.zj-card h2{margin:0 0 10px;font-size:17px;color:var(--ink)}
.zj-card p{margin:0 0 14px;color:var(--mut);font-size:13.5px;line-height:1.8;min-height:74px}
.zj-card-go{display:inline-block;color:var(--blue-d);font-weight:700;font-size:14px}
.zj-card-go:hover{text-decoration:underline}

/* 引言块（U盘制作教程开头说明） */
.zj-lead{margin-top:18px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 20px}
.zj-lead h2{margin:0 0 8px;font-size:16.5px}
.zj-lead p{margin:0;color:var(--mut);line-height:1.9}

/* 准备清单 / 完成入口（系统之家 u-tip-text 样式） */
.zj-prep{margin-top:14px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 20px}
.zj-prep h3{margin:0 0 10px;font-size:15.5px}
.zj-prep h3 span{margin-left:10px;font-size:12.5px;color:#358ff0;font-weight:400}
.zj-prep ul{list-style:none;margin:0;padding:0}
.zj-prep li{padding:5px 0;color:var(--ink);line-height:1.8}
.zj-prep li i{font-style:normal;color:var(--blue);font-weight:700;margin-right:6px}
.zj-done li a{color:#358ff0;font-weight:700}
.zj-done li a:hover{text-decoration:underline}

/* 步骤标题胶囊（系统之家 notice） */
.zj-notice{margin:26px 0 14px;text-align:center}
.zj-notice span{display:inline-block;background:linear-gradient(120deg,#2563eb,#1d4ed8);color:#fff;font-size:17px;font-weight:700;
  padding:10px 38px;border-radius:999px;box-shadow:0 6px 18px rgba(37,99,235,.28)}

/* 步骤块（序号圆环 + 文字 + 截图） */
.zj-steps{max-width:860px;margin:0 auto;padding-bottom:8px}
/* 首页三张教程卡（2026-10-29 对标系统之家首页视频卡：一键重装/U盘重装/备份还原教程） */
.zj-tutcards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0 auto 10px}
.zj-tutcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 20px 18px;transition:.2s}
.zj-tutcard:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(37,99,235,.16);border-color:#93c5fd}
.zj-tutcard .tc-ic{flex:none;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;font-size:26px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.zj-tutcard h3{margin:0 0 6px;font-size:17px;color:#1f2937}
.zj-tutcard p{flex:1;margin:0;font-size:13.5px;color:var(--mut);line-height:1.7}
.zj-tutcard .tc-go{flex:none;margin-top:14px;padding-top:2px;font-size:13.5px;font-weight:700;color:#2563eb}
@media (max-width:760px){.zj-tutcards{grid-template-columns:1fr}}
.zj-step{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:14px}
.zj-num{flex:none;height:28px;padding:0 14px;border-radius:14px;background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;letter-spacing:1px;
  box-shadow:0 4px 12px rgba(37,99,235,.3)}
.zj-main{flex:1;min-width:0}
.zj-main p{margin:2px 0 12px;line-height:1.9;font-size:14.5px}
.zj-step-tt{color:#e02424;font-weight:800;font-size:16.5px;margin:0 0 4px !important;line-height:1.5}
.zj-step-tt + p{margin-top:0}
.zj-shot{display:block;max-width:640px;margin:0 auto}
.zj-shot img{border:1px solid var(--line);border-radius:8px;cursor:zoom-in;display:block;width:100%}
.zj-shot-empty{border:1.5px dashed #cbd5e1;border-radius:8px;background:#f8fafc;padding:26px 16px;text-align:center;color:#94a3b8}
.zj-shot-empty span{display:block;font-size:15px;font-weight:700}
.zj-shot-empty em{display:block;margin-top:4px;font-size:12px;font-style:normal}
.zj-empty{max-width:860px;margin:0 auto 20px;background:var(--card);border:1px dashed #cbd5e1;border-radius:12px;
  padding:34px 16px;text-align:center;color:var(--mut)}
@media (max-width:640px){
  .zj-num{height:24px;padding:0 10px;font-size:12px;border-radius:12px}
  .zj-step{padding:12px 12px;gap:10px}
  .zj-notice span{font-size:15px;padding:8px 24px}
  .zj-tabs a{min-width:96px;padding:10px 12px;font-size:14px}
}

/* ==================== 装机教程栏目（列表分页 + 文章页，2026-10-28 对标系统之家系统教程） ==================== */
/* 列表：图文卡片流（左图 + 标题 + 摘要 + 日期） */
.zja-list{list-style:none;margin:16px 0 0;padding:0;background:var(--card);border:1px solid var(--line);border-radius:12px}
.zja-row{display:flex;gap:16px;padding:16px 18px;border-bottom:1px solid var(--line)}
.zja-row:last-child{border-bottom:0}
.zja-img{flex:none;width:220px;height:150px;border-radius:8px;overflow:hidden;background:#f1f5f9;display:flex;align-items:center;justify-content:center}
.zja-img img{width:100%;height:100%;object-fit:cover;transition:.25s}
.zja-row:hover .zja-img img{transform:scale(1.04)}
.zja-img-empty{font-size:34px;color:#cbd5e1}
.zja-main{flex:1;min-width:0}
.zja-main h3{margin:2px 0 8px;font-size:17px;line-height:1.4}
.zja-main h3 a:hover{color:var(--blue)}
.zja-digest{margin:0 0 10px;color:var(--mut);font-size:13.5px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.zja-foot{font-size:12.5px;color:#94a3b8;display:flex;gap:14px;align-items:center}
.zja-cat{background:#eff6ff;color:var(--blue-d);border-radius:999px;padding:2px 10px;font-size:12px}
@media (max-width:640px){
  .zja-row{gap:10px;padding:12px}
  .zja-img{width:108px;height:78px}
  .zja-img-empty{font-size:22px}
  .zja-main h3{font-size:15px}
  .zja-digest{-webkit-line-clamp:2}
}

/* 文章页 */
.layout{margin-top:16px}
.zja-art{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px 26px}
.zja-art h1{margin:8px 0 10px;font-size:22px;line-height:1.45}
.zja-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#94a3b8;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:6px}
.zja-p{margin:14px 0;line-height:1.95;font-size:15px;color:#1f2937}
.zja-h{margin:26px 0 4px;font-size:17px;padding-left:10px;border-left:4px solid var(--blue)}
.zja-fig{margin:16px auto;text-align:center;max-width:680px}
.zja-fig img{border:1px solid var(--line);border-radius:8px;cursor:zoom-in;width:100%}
.zja-fig figcaption{margin-top:6px;font-size:12px;color:#94a3b8}
.zja-art .zj-steps{max-width:none}

/* 关联软件下载卡（对标 relation-box） */
.zj-rel{display:flex;gap:14px;margin:24px 0 8px;background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:16px}
.zj-rel-img{flex:none;width:86px;height:86px;border-radius:10px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}
.zj-rel-img img{max-width:64px;max-height:64px}
.zj-rel-info{flex:1;min-width:0}
.zj-rel-info h3{margin:0 0 4px;font-size:15.5px}
.zj-rel-info p{margin:0 0 10px;font-size:12.5px;color:var(--mut)}
.zj-rel-go{display:flex;gap:10px;align-items:center}
.zj-rel-btn{display:inline-flex;align-items:center;gap:6px;background:var(--blue);color:#fff;border-radius:8px;padding:7px 18px;font-size:13.5px;font-weight:700}
.zj-rel-btn:hover{background:var(--blue-d)}
.zj-rel-more{font-size:13px;color:var(--blue-d)}

/* 上一篇 / 下一篇 */
.zja-pn{display:flex;gap:10px;justify-content:space-between;margin-top:22px;border-top:1px solid var(--line);padding-top:16px;font-size:13.5px}
.zja-pn a{color:var(--blue-d)}
.zja-pn a:hover{text-decoration:underline}
.zja-pn span{color:#cbd5e1}
.zja-pn-next{text-align:right}
@media (max-width:640px){.zja-art{padding:16px 14px}.zja-art h1{font-size:19px}}

/* ==================== 装机专题首页二版（2026-10-28 对标系统之家装机站首页） ==================== */
.zj-hero{display:flex;gap:24px;align-items:center;margin-top:16px;padding:34px 38px;
  background:linear-gradient(120deg,#eaf2ff 0%,#f5f9ff 55%,#e8f6f3 100%);
  border:1px solid var(--line);border-radius:16px;overflow:hidden}
.zj-hero-l{flex:1;min-width:0}
.zj-badge{display:inline-block;background:var(--blue);color:#fff;font-size:12px;font-weight:700;
  padding:3px 12px;border-radius:999px;letter-spacing:1px}
.zj-hero h1{margin:12px 0 14px;font-size:34px;line-height:1.25;color:var(--ink)}
.zj-hero-points{list-style:none;margin:0 0 18px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:7px 18px}
.zj-hero-points li{position:relative;padding-left:22px;font-size:14px;color:#334155;line-height:1.7}
.zj-hero-points li::before{content:'✔';position:absolute;left:0;top:0;color:#16a34a;font-weight:800}
.zj-hero-btns{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.zj-btn-main{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(120deg,#2563eb,#1d4ed8);color:#fff;
  font-size:16.5px;font-weight:800;padding:12px 34px;border-radius:10px;box-shadow:0 8px 20px rgba(37,99,235,.32)}
.zj-btn-main:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(37,99,235,.4)}
.zj-btn-sub{color:var(--blue-d);font-size:13.5px;font-weight:700}
.zj-btn-sub:hover{text-decoration:underline}
.zj-hero-tip{margin:14px 0 0;font-size:12.5px;color:#b45309;background:#fffbeb;border:1px solid #fde68a;
  border-radius:8px;padding:7px 12px;display:inline-block}
.zj-hero-r{flex:none;width:330px}
.zj-laptop{position:relative;transform:rotate(-2deg)}
.zj-screen{background:#0f172a;border:3px solid #1e293b;border-radius:12px 12px 4px 4px;padding:14px 16px 18px;
  box-shadow:0 18px 40px rgba(15,23,42,.25)}
.zj-screen-hd{display:flex;gap:5px;margin-bottom:12px}
.zj-screen-hd i{width:8px;height:8px;border-radius:50%;background:#475569}
.zj-screen-hd i:first-child{background:#f87171}.zj-screen-hd i:nth-child(2){background:#fbbf24}.zj-screen-hd i:last-child{background:#34d399}
.zj-screen-t{margin:0 0 10px;color:#f1f5f9;font-size:16px;font-weight:800;text-align:center}
.zj-screen-bar{height:10px;background:#1e293b;border-radius:999px;overflow:hidden;margin-bottom:8px}
.zj-screen-bar i{display:block;width:72%;height:100%;border-radius:999px;background:linear-gradient(90deg,#38bdf8,#2563eb)}
.zj-screen-s{margin:0 0 12px;color:#94a3b8;font-size:11.5px;text-align:center}
.zj-screen-btn{display:block;margin:0 auto;width:88px;text-align:center;background:#2563eb;color:#fff;
  font-size:12.5px;font-weight:700;padding:6px 0;border-radius:7px}
.zj-base{height:12px;background:linear-gradient(#cbd5e1,#94a3b8);border-radius:0 0 14px 14px;margin:0 -18px}
@media (max-width:860px){
  .zj-hero{flex-direction:column;padding:22px 18px}
  .zj-hero h1{font-size:26px}
  .zj-hero-points{grid-template-columns:1fr}
  .zj-hero-r{width:min(300px,80%)}
}
/* 首页 · 最新发布系统卡 */
.zn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:14px}
.zn-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.15s}
.zn-card:hover{box-shadow:0 10px 26px rgba(15,23,42,.1);transform:translateY(-2px)}
.zn-cover{height:118px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#2563eb);overflow:hidden}
.zn-cover img{width:100%;height:100%;object-fit:cover}
.zn-ico{font-size:40px}
.zn-name{padding:10px 12px 4px;font-size:13.5px;font-weight:700;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:50px}
.zn-go{margin:0 12px 12px;font-size:12.5px;color:var(--blue-d);font-weight:700}
.zn-card:hover .zn-go{text-decoration:underline}
/* 首页 · 最新教程列表 */
.zj-artlist{list-style:none;margin:14px 0 0;padding:0;background:var(--card);border:1px solid var(--line);border-radius:12px}
.zj-artlist li{border-bottom:1px solid var(--line)}
.zj-artlist li:last-child{border-bottom:0}
.zj-artlist a{display:block;padding:13px 18px}
.zj-artlist a:hover{background:#f8fafc}
.zj-artlist b{display:block;font-size:15px;color:var(--ink)}
.zj-artlist a:hover b{color:var(--blue)}
.zj-artlist span{display:block;margin:3px 0 4px;font-size:13px;color:var(--mut);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.zj-artlist em{font-style:normal;font-size:12px;color:#94a3b8}
/* 首页底部软件迁移提示条 */
.zj-home-soft{margin:14px 0 30px;padding:14px 18px;background:#eff6ff;border:1px dashed #93c5fd;border-radius:10px;
  color:#1e40af;font-size:14px}
.zj-home-soft a{font-weight:800;text-decoration:underline}
/* 「软件安装」分类页顶部的装机必备分组块间距 */
.main-col .tp-grid{margin-bottom:26px}
.main-col .tp-grid .tp-cat{background:var(--card)}

/* ==================== 2026-10-28 三改：蓝色吸顶导航 + 科技感分类标题（用户指定对标参照站蓝条） ==================== */
/* 专题二级导航：蓝色渐变条、吸顶、白字、当前项高亮（覆盖上方白色旧样式） */
.zj-nav{position:sticky;top:0;z-index:60;background:linear-gradient(90deg,#0b2a6b 0%,#1d4ed8 55%,#0891b2 100%);
  border-bottom:0;box-shadow:0 4px 18px rgba(29,78,216,.38)}
.zj-nav .wrap{justify-content:center;gap:0}
.zj-nav a{color:rgba(255,255,255,.9);font-size:15.5px;letter-spacing:1px;padding:13px 28px;
  border-bottom:3px solid transparent;transition:.15s}
.zj-nav a:hover{color:#fff;background:rgba(255,255,255,.12)}
.zj-nav a.on{color:#fff;font-weight:800;background:rgba(255,255,255,.14);border-bottom-color:#7dd3fc}
@media (max-width:640px){.zj-nav a{padding:11px 16px;font-size:14px;letter-spacing:0}}
/* 分类标题：深蓝渐变横幅式标题条（科技感，覆盖白底旧样式），首页与软件安装分类页通用 */
.tp-hd{background:linear-gradient(90deg,#0b1f4d 0%,#1e40af 55%,#0e7490 100%);
  border-radius:9px;padding:9px 13px;color:#fff;box-shadow:0 3px 10px rgba(30,64,175,.22)}
.tp-hd h2{color:#fff;letter-spacing:1px;font-size:15.5px;text-shadow:0 1px 2px rgba(0,0,0,.25)}
.tp-hd h2 a{color:#fff}
.tp-hd h2 a:hover{color:#a5f3fc}
.tp-bar{height:18px;background:linear-gradient(180deg,#67e8f9,#3b82f6);box-shadow:0 0 8px rgba(103,232,249,.8)}
.tp-chip{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.42);border-radius:999px;
  padding:4px 11px;color:#a5f3fc}
.tp-chip em{color:rgba(255,255,255,.88);border-left:1px solid rgba(255,255,255,.4)}
/* 办公必备专区（首页全宽区块） */
.tp-office{margin-top:20px}
.tp-office .tp-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px}
/* 步骤多图纵向排列间距（2026-10-28 图文教程导入） */
.zj-main .zj-shot + .zj-shot{margin-top:10px}
.zj-step p{white-space:pre-wrap}

/* ---------- 产品介绍页（2026-10-29 四改：整页对标系统之家首页） ---------- */
.xj-hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#e8f1fe 0%,#dbeafe 45%,#eff6ff 100%)}
.xj-hero::before,.xj-hero::after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.10),transparent 70%);pointer-events:none}
.xj-hero::before{width:420px;height:420px;top:-160px;right:-80px}
.xj-hero::after{width:300px;height:300px;bottom:-120px;left:-60px}
.xj-hero-in{position:relative;display:flex;gap:34px;align-items:center;padding-top:38px;padding-bottom:42px;z-index:1}
.xj-hero-l{flex:1.05;min-width:0}
.xj-title{margin:0 0 18px;line-height:1.25}
.xj-title .xj-brand{display:block;font-size:30px;font-weight:800;color:var(--ink);letter-spacing:1px}
.xj-badge{display:inline-block;vertical-align:4px;margin-left:8px;padding:2px 9px;border:1px solid #93c5fd;border-radius:999px;background:#fff;color:var(--blue);font-size:12px;font-weight:600;font-style:normal}
.xj-title b{display:block;font-size:46px;font-weight:900;color:#0f2a5c;letter-spacing:2px}
.xj-checks{margin:0 0 22px;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;max-width:520px}
.xj-checks li{position:relative;padding-left:26px;font-size:14.5px;color:#334155}
.xj-checks li::before{content:"✓";position:absolute;left:0;top:1px;width:18px;height:18px;border-radius:50%;background:var(--blue);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.xj-btnrow{margin-bottom:14px}
.xj-dl{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;border-radius:8px;padding:13px 34px;
  background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;font-size:17px;font-weight:700;font-family:inherit;
  box-shadow:0 8px 20px rgba(37,99,235,.35);transition:transform .15s,box-shadow .15s}
.xj-dl:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(37,99,235,.45)}
.xj-new{display:inline-block;margin-left:2px;padding:1px 7px;border-radius:4px 4px 4px 0;background:#ef4444;color:#fff;font-size:11px;font-weight:700;font-style:normal;position:relative;top:-14px}
.xj-use{margin:0 0 6px;font-size:13.5px;color:#475569}
.xj-use a{color:var(--blue);font-weight:700}
.xj-use a:hover{text-decoration:underline}
.xj-warn{margin:0;font-size:13px;color:#94a3b8}
.xj-warn b{color:#f59e0b}
.xj-hero-r{flex:1;min-width:0}
.xj-frame{position:relative;border-radius:14px;background:#0f2a5c;padding:10px 10px 0;box-shadow:0 22px 48px rgba(15,42,92,.28)}
.xj-frame::after{content:"";display:block;height:12px;margin:0 -34px;background:linear-gradient(180deg,#dbe4f3,#b8c6dd);border-radius:0 0 16px 16px}
.xj-car{position:relative;aspect-ratio:16/10;overflow:hidden;background:#f1f5f9}
.xj-slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity .6s;pointer-events:none}
.xj-slide.on{opacity:1;pointer-events:auto}
.xj-slide img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}
.xj-slide figcaption{position:absolute;left:0;right:0;bottom:0;padding:6px 12px;background:linear-gradient(transparent,rgba(15,42,92,.85));color:#fff;font-size:12.5px}
.xj-dots{position:absolute;right:10px;bottom:34px;display:flex;gap:6px;z-index:2}
.xj-dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.55);cursor:pointer;transition:all .2s}
.xj-dots i.on{background:#fff;width:22px;border-radius:5px}
.xj-latest{padding:34px 14px 6px}
.xj-ttrow{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px}
.xj-tt{margin:0;font-size:24px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:12px}
.xj-tt span{position:relative;padding:0 18px}
.xj-tt span::before,.xj-tt span::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);position:absolute;top:50%;transform:translateY(-50%)}
.xj-tt span::before{left:0}
.xj-tt span::after{right:0}
.xj-more{font-size:13.5px;color:var(--mut)}
.xj-more:hover{color:var(--blue)}
.xj-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.xj-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:transform .15s,box-shadow .15s}
.xj-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(15,42,92,.12)}
.xj-card img{aspect-ratio:3/2;object-fit:cover;width:100%}
.xj-card b{padding:10px 12px 2px;font-size:14.5px;color:var(--ink)}
.xj-card span{padding:0 12px 12px;font-size:12px;color:var(--mut)}
.xj-modal{position:fixed;inset:0;z-index:999}
.xj-mask{position:absolute;inset:0;background:rgba(15,23,42,.55)}
/* 弹窗（2026-10-31 六改：整卡照「打印机AI手术室」深色版式做，两款软件观感统一） */
.xj-box{position:relative;width:calc(100% - 32px);max-width:460px;margin:6vh auto 0;box-sizing:border-box;
  background:#0B1F2E;border:1px solid rgba(120,180,220,.22);border-radius:16px;padding:22px 22px 18px;
  box-shadow:0 28px 70px rgba(0,0,0,.55)}
.xj-x{position:absolute;top:10px;right:12px;border:0;background:none;font-size:26px;line-height:1;color:#8FA9BC;cursor:pointer}
.xj-x:hover{color:#E6F2F8}
.xj-box h3{margin:0 0 6px;font-size:19px;color:#E6F2F8;display:flex;align-items:center;gap:9px;padding-right:24px}
.xj-boxic{display:inline-flex;width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  background:linear-gradient(135deg,#22D3EE,#3B82F6);color:#04121E;font-size:17px;font-weight:800;
  align-items:center;justify-content:center;line-height:1}
.xj-boxsub{margin:0 0 4px;font-size:12.5px;color:#8FA9BC;line-height:1.6}
/* 本站直链（首选下载）：置于四个网盘之前 */
.xj-direct{display:flex;align-items:center;gap:12px;width:100%;box-sizing:border-box;
  padding:14px 16px;border-radius:12px;margin-top:14px;text-decoration:none;
  background:linear-gradient(96deg,#22D3EE,#3B82F6);
  box-shadow:0 10px 26px rgba(34,211,238,.28);transition:transform .15s,box-shadow .15s}
.xj-direct:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(34,211,238,.4)}
.xj-d-ic{display:inline-flex;width:34px;height:34px;flex:0 0 34px;align-items:center;justify-content:center;
  border-radius:10px;background:rgba(4,18,30,.22);color:#04121E;font-size:20px;font-weight:800;line-height:1}
.xj-d-tx{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;text-align:left}
.xj-d-tx b{font-size:15px;color:#04121E;font-weight:800;letter-spacing:.2px}
.xj-d-tx i{font-style:normal;font-size:11.4px;color:rgba(4,18,30,.78);line-height:1.4}
.xj-d-sz{font-size:11.4px;font-weight:800;color:#04121E;background:rgba(4,18,30,.16);
  padding:3px 9px;border-radius:20px;white-space:nowrap;flex:none}
.xj-or{display:flex;align-items:center;gap:12px;margin:14px 0 12px;font-size:11.5px;color:#7C97AA}
.xj-or::before,.xj-or::after{content:"";flex:1;height:1px;background:rgba(120,180,220,.18)}
.xj-or span{white-space:nowrap}
/* 四个网盘：2×2 网格，提取码独立标签可点击复制 */
.xj-pans{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.xj-pan{display:flex;align-items:center;justify-content:space-between;gap:8px;box-sizing:border-box;
  padding:12px 13px;border:1px solid rgba(120,180,220,.22);border-radius:11px;background:rgba(255,255,255,.04);
  text-decoration:none;transition:border-color .15s,background .15s,transform .15s}
.xj-pan:hover{border-color:#22D3EE;background:rgba(34,211,238,.1);transform:translateY(-1px)}
.xj-pan b{font-size:13.5px;color:#E6F2F8;font-weight:700;white-space:nowrap}
.xj-pan span{font-size:11px;color:#8FA9BC;display:flex;align-items:center;gap:5px;white-space:nowrap}
.xj-pan .pan-cp{font-style:normal;font-weight:800;color:#22D3EE;background:rgba(34,211,238,.14);
  border-radius:5px;padding:1px 5px;cursor:pointer;letter-spacing:.4px}
.xj-pan .pan-cp:hover{background:rgba(34,211,238,.26)}
.xj-pan .pan-cp.copied{color:#04121E;background:#34D399}
.xj-boxwarn{margin:12px 0 0;font-size:11.5px;color:#7C97AA;line-height:1.6}
@media (max-width:520px){
  .xj-box{margin:3vh auto 0;padding:18px 16px 15px;border-radius:14px}
  .xj-pans{grid-template-columns:1fr}
  .xj-direct{padding:12px 13px;gap:10px;margin-top:12px}
  .xj-d-tx b{font-size:14px}
  .xj-d-tx i{font-size:10.8px}
  .xj-d-sz{display:none}
}
@media (max-width:900px){
  .xj-hero-in{flex-direction:column;padding-top:24px;padding-bottom:26px;gap:22px}
  .xj-title b{font-size:34px}
  .xj-title .xj-brand{font-size:24px}
  .xj-checks{grid-template-columns:1fr}
  .xj-hero-r{width:100%}
  .xj-frame::after{margin:0 -12px}
  .xj-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .xj-dl{width:100%;justify-content:center;padding:12px 10px;font-size:15.5px}
  .xj-cards{grid-template-columns:1fr 1fr;gap:10px}
  .xj-card b{font-size:13px;padding:8px 9px 2px}
  .xj-card span{padding:0 9px 9px}
}

/* ---------- 全站页脚：备案 + 免责声明（2026-10-29） ---------- */
.site-legal{margin-top:26px;padding:20px 14px 24px;border-top:1px solid #eee;text-align:center;font-size:14px;color:#666}
.site-legal p{margin:0 auto;max-width:980px;line-height:1.9}
.site-legal p + p{margin-top:6px}

/* ---------- 首页：系统120 简介（2026-10-29） ---------- */
.xj-about{padding-top:26px}
.xa-card{background:linear-gradient(135deg,#fff 0%,#f5faff 100%);border:1px solid #dbe8fb;border-left:5px solid var(--blue);
  border-radius:14px;padding:24px 28px 22px;box-shadow:0 10px 26px rgba(37,99,235,.07)}
.xa-hd{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.xa-logo{flex:none;width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;font-size:19px;font-weight:900;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(37,99,235,.3)}
.xa-hd h2{margin:0;font-size:21px;font-weight:800;color:#0f2a5c}
.xa-sub{margin:2px 0 0;font-size:13px;color:var(--blue);font-weight:600}
.xa-tx{margin:0 0 14px;font-size:14.5px;line-height:2;color:#334155}
.xa-tx a{color:var(--blue);font-weight:700}
.xa-tx a:hover{text-decoration:underline}
.xa-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:12px}
.xa-tags i{font-style:normal;padding:5px 12px;border-radius:999px;background:#eaf2fe;border:1px solid #cfe1fb;
  color:#1d4ed8;font-size:12.5px;font-weight:600}
.xa-slogan{margin:0;font-size:14.5px;font-weight:800;color:#e02424;letter-spacing:.5px}
@media (max-width:600px){
  .xa-card{padding:18px 16px}
  .xa-logo{width:44px;height:44px;font-size:16px;border-radius:12px}
  .xa-hd h2{font-size:18px}
  .xa-tx{font-size:13.5px;line-height:1.9}
  .site-legal{font-size:12.5px}
}

/* ---------- 系统镜像分类页（2026-10-29 六改：对标系统之家分类页） ---------- */
.xs-hero{background:linear-gradient(160deg,#e8f1fe 0%,#dbeafe 48%,#eff6ff 100%);border-bottom:1px solid #e3edfb}
.xs-hero-in{display:flex;gap:30px;align-items:center;padding:30px 0 28px}
.xs-hero-t{flex:1.25;min-width:0}
.xs-hero-t h1{margin:6px 0 10px;font-size:32px;font-weight:800;color:#0f2a5c;letter-spacing:.5px}
.xs-hero-p{margin:0 0 12px;font-size:14px;line-height:1.95;color:#475569;max-width:660px}
.xs-hero-search{margin-top:14px;max-width:520px}
.xs-hero-img{flex:.75;max-width:340px}
.xs-hero-img img{width:100%;border-radius:12px;display:block;box-shadow:0 16px 36px rgba(15,42,92,.22)}
.xs-mainw{padding-top:22px}
.xs-listhd h2{margin:0 0 14px;font-size:20px;color:var(--ink)}
.xs-listhd small{margin-left:8px;font-size:13px;color:var(--mut);font-weight:400}
.xs-list{list-style:none;margin:0 0 6px;padding:0;display:flex;flex-direction:column;gap:14px}
.xs-row{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;
  transition:box-shadow .15s,transform .15s}
.xs-row:hover{box-shadow:0 10px 24px rgba(15,42,92,.1);transform:translateY(-2px)}
.xs-cover{flex:none;width:186px;height:118px;border-radius:9px;overflow:hidden;background:#eef2f7}
.xs-cover img{width:100%;height:100%;object-fit:cover;display:block}
.xs-main{flex:1;min-width:0;display:flex;flex-direction:column}
.xs-h3{margin:0 0 6px;font-size:16.5px;line-height:1.5;font-weight:700}
.xs-h3 a{color:#0f2a5c}
.xs-h3 a:hover{color:var(--blue)}
.xs-meta{margin:0 0 8px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12.5px;color:var(--mut)}
.xs-tag{padding:0 7px;border-radius:4px;background:#eaf2fe;border:1px solid #cfe1fb;color:#1d4ed8;font-weight:600}
.xs-desc{margin:0 0 10px;font-size:13px;line-height:1.8;color:#5b6577;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.xs-foot{display:flex;align-items:center;gap:12px;margin-top:auto}
.xs-dl{padding:7px 20px;border-radius:7px;font-size:13.5px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#3b82f6,#2563eb)}
.xs-dl:hover{box-shadow:0 6px 16px rgba(37,99,235,.35)}
.xs-hint{font-size:12px;color:var(--mut)}

/* ---------- 一键/U盘教程页（2026-10-29 六改：对标系统之家 yjzxt/upzxt） ---------- */
.xt-hero{background:linear-gradient(160deg,#e8f1fe 0%,#dbeafe 50%,#eff6ff 100%);border-bottom:1px solid #e3edfb}
.xt-hero-in{display:flex;gap:32px;align-items:center;padding:30px 0 28px}
.xt-hero-t{flex:1.15;min-width:0}
.xt-hero-t h1{margin:6px 0 10px;font-size:32px;font-weight:800;color:#0f2a5c;letter-spacing:.5px}
.xt-desc{margin:0 0 16px;font-size:14.5px;line-height:1.95;color:#3f4a5c;max-width:620px}
.xt-btns{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:12px}
.xt-ghost{font-size:14px;font-weight:700;color:var(--blue)}
.xt-ghost:hover{text-decoration:underline}
.xt-hero-img{flex:.85;max-width:400px;min-width:0}
.xt-hero-img img{width:100%;display:block;border:6px solid #0f2a5c;border-radius:12px;
  box-shadow:0 18px 38px rgba(15,42,92,.25)}
.xt-main{padding-top:18px}
.xt-search{max-width:520px;margin-bottom:18px}
.xt-h2{margin:0 0 6px;font-size:21px;color:var(--ink);display:flex;align-items:center;gap:12px}
.xt-h2 span{position:relative;padding:0 16px}
.xt-h2 span::before,.xt-h2 span::after{content:"";position:absolute;top:50%;transform:translateY(-50%);
  width:8px;height:8px;border-radius:50%;background:var(--blue)}
.xt-h2 span::before{left:0}
.xt-h2 span::after{right:0}
.xt-keys{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:20px}
.xt-kp{margin:0 0 14px;font-size:13.5px;color:var(--mut);line-height:1.85}
.xt-kgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.xt-kitem{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 12px;
  border:1px solid #e8eefb;border-radius:8px;background:#f8fbff}
.xt-kitem b{font-size:13px;color:#334155;font-weight:600}
.xt-kitem span{font-size:13px;color:var(--blue);font-weight:800;font-family:Consolas,Menlo,monospace}
.xt-kwarn{margin:12px 0 0;font-size:12px;color:#94a3b8}
@media (max-width:900px){
  .xs-hero-in,.xt-hero-in{flex-direction:column;align-items:flex-start;padding:20px 0 22px;gap:16px}
  .xs-hero-t h1,.xt-hero-t h1{font-size:23px}
  .xs-hero-img,.xt-hero-img{max-width:100%;width:100%}
  .xs-cover{width:110px;height:74px}
  .xs-h3{font-size:14.5px}
  .xs-desc{-webkit-line-clamp:2}
  .xs-hint{display:none}
  .xt-kgrid{grid-template-columns:repeat(2,1fr)}
}

/* ---------- 顶栏 logo + 页脚作者条（2026-10-30） ---------- */
.brand{flex-direction:row;align-items:center;gap:10px}
.brand-logo{flex:none;width:40px;height:40px;border-radius:10px;object-fit:cover;box-shadow:0 2px 8px rgba(15,42,92,.18)}
.brand-tx{display:flex;flex-direction:column;line-height:1.25}

.au-bar{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 18px;max-width:640px;
  margin:26px auto 0;padding:12px 22px;border-radius:999px;background:#111827;color:#e5e7eb;font-size:14px;
  box-shadow:0 8px 22px rgba(17,24,39,.25)}
.au-author{color:#f3f4f6}
.au-author b{color:#fff;font-weight:800;letter-spacing:.5px}
.au-site{color:#67e8f9;font-weight:600}
.au-site:hover{text-decoration:underline}
.au-qr{position:relative;display:inline-flex}
.au-btn{display:inline-flex;align-items:center;gap:7px;border:1px solid #374151;background:#1f2937;color:#e5e7eb;
  border-radius:999px;padding:5px 14px 5px 6px;font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;transition:border-color .15s,background .15s}
.au-btn:hover{border-color:#67e8f9;background:#243244}
.au-btn img{width:22px;height:22px;border-radius:5px;object-fit:cover;background:#fff}
.au-pop{position:absolute;bottom:calc(100% + 12px);left:50%;transform:translate(-50%,8px);z-index:60;
  display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 10px 8px;border-radius:12px;background:#fff;
  box-shadow:0 14px 34px rgba(15,23,42,.28);opacity:0;visibility:hidden;transition:opacity .18s,transform .18s,visibility .18s;pointer-events:none}
.au-pop::after{content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);
  border:7px solid transparent;border-top-color:#fff}
.au-pop img{width:148px;height:148px;border-radius:8px;display:block}
.au-pop i{font-style:normal;font-size:12px;color:#475569;white-space:nowrap}
.au-qr:hover .au-pop,.au-qr.on .au-pop,.au-qr:focus-within .au-pop{opacity:1;visibility:visible;transform:translate(-50%,0)}
@media (max-width:600px){
  .au-bar{border-radius:18px;gap:8px 12px;font-size:13px;padding:11px 14px}
  .au-btn{padding:4px 11px 4px 5px;font-size:12.5px}
  .au-pop img{width:132px;height:132px}
}

/* ---------- 搜索历史（2026-10-30：本地记录最近搜索，可单条删除/一键清空） ---------- */
/* 选择器带 .sug button 前缀：压过 .sform button / .csform button 的蓝底白字默认样式 */
.sug .sug-hd{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 12px;background:#f8fafc;border-bottom:1px solid #eef2f7}
.sug .sug-hd b{font-size:12.5px;font-weight:700;color:#475569;letter-spacing:.3px}
.sug button.sh-clear{border:0;border-radius:0;background:none;font-family:inherit;font-size:12.5px;
  color:#94a3b8;cursor:pointer;padding:2px 2px}
.sug button.sh-clear:hover{color:#dc2626;text-decoration:underline}
.sh-item{display:flex;align-items:center;border-bottom:1px solid #f6f8fb}
.sh-item:last-child{border-bottom:0}
.sh-item:hover{background:#f5f9ff}
.sug button.sh-q{flex:1;min-width:0;display:flex;align-items:center;gap:8px;padding:9px 4px 9px 12px;
  border:0;border-radius:0;background:none;font-family:inherit;font-size:13.5px;color:#1f2937;
  text-align:left;cursor:pointer;line-height:1.5}
.sug button.sh-q i{flex:none;font-style:normal;font-size:12.5px;color:#b6c2d4;line-height:1}
.sug button.sh-q span{display:block;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sug button.sh-del{flex:none;width:30px;height:30px;margin-right:6px;border:0;border-radius:7px;
  background:none;color:#c3ccda;font-size:16px;line-height:1;cursor:pointer;font-family:inherit;padding:0}
.sug button.sh-del:hover{background:#fee2e2;color:#dc2626}
.sug-his{max-height:min(360px,58vh)}
@media (max-width:760px){
  .sug button.sh-q{font-size:14px;padding-top:10px;padding-bottom:10px}
  .sug button.sh-del{width:34px;height:34px;font-size:17px}
}

/* ==========================================================================
   站内搜索页（2026-10-31 纯前端搜索）
   线上是纯静态站，搜索由浏览器读 search-index.json 本地完成
   ========================================================================== */
.sch-main{padding-bottom:36px}
.sch-form{max-width:720px}
.sch-stat{font-size:13px;color:#475569;line-height:1.9;margin:0 0 14px;padding:11px 14px;
  background:linear-gradient(96deg,rgba(34,211,238,.08),rgba(59,130,246,.06));
  border:1px solid rgba(59,130,246,.16);border-radius:10px}
.sch-stat b{color:#1d4ed8;font-weight:700}
.sch-stat small{display:block;font-size:12px;color:#94a3b8;margin-top:2px}
.sch-list{margin:0}
.sch-row{align-items:center}
.sch-cover{width:46px;height:46px;flex:none;border-radius:10px;display:flex;align-items:center;
  justify-content:center;font-size:20px;text-decoration:none;
  background:linear-gradient(135deg,#eef4ff,#e6f7ff);border:1px solid #e2ecf8}
.sch-cover-k{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border-color:#d6f3e0}
.sch-cover-a,.sch-cover-t{background:linear-gradient(135deg,#fff7ed,#ffedd5);border-color:#fde8cc}
.sch-hl{font-style:normal;color:#dc2626;background:rgba(254,226,226,.55);border-radius:3px;padding:0 1px}
.sch-tag{display:inline-block;font-style:normal;font-size:11px;font-weight:600;color:#0e7490;
  background:#ecfeff;border:1px solid #cffafe;border-radius:4px;padding:1px 5px;margin-left:7px;
  vertical-align:middle;line-height:1.5}
.sch-cat{color:#64748b}
.sch-dl{color:#059669;font-weight:600}
.sch-empty{margin:8px 0 0;padding:22px 18px;border-radius:12px;background:#f8fafc;
  border:1px dashed #dbe4ef;color:#475569;font-size:14px;line-height:1.9}
.sch-tip-t{font-weight:600;color:#1f2937;margin:0 0 10px}
.sch-tip-t:not(:first-child){margin-top:16px}
.sch-chips{display:flex;flex-wrap:wrap;gap:8px}
.sch-chips a{display:inline-block;padding:6px 13px;border-radius:999px;background:#fff;
  border:1px solid #dbe4ef;color:#2563eb;font-size:13px;text-decoration:none;transition:.15s}
.sch-chips a:hover{background:#2563eb;border-color:#2563eb;color:#fff;transform:translateY(-1px)}
.sch-more{text-align:center;margin:18px 0 0}
.sch-more-btn{padding:10px 28px;border-radius:999px;border:1px solid #2563eb;background:#fff;
  color:#2563eb;font-size:14px;font-family:inherit;cursor:pointer;transition:.15s}
.sch-more-btn:hover{background:#2563eb;color:#fff}
.sch-hot{margin:26px 0 0;padding:16px 18px;border-radius:12px;background:#fff;
  border:1px solid #e8eef7;display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.sch-hot>span{font-size:13px;font-weight:700;color:#334155;margin-right:4px}
.sch-hot a{padding:5px 12px;border-radius:999px;background:#f1f6ff;color:#2563eb;
  font-size:13px;text-decoration:none}
.sch-hot a:hover{background:#2563eb;color:#fff}
@media (max-width:640px){
  .sch-cover{width:40px;height:40px;font-size:17px;border-radius:8px}
  .sch-stat{font-size:12.5px;padding:10px 12px}
  .sch-tag{display:none}
}