/* ============================================================
   AI 提示词库 · 样式 v2（mockup 版式：热门图卡 / 分类集合 / 最新收录）
   色板与主站一致：#4A9FF5 主蓝 / #12263a 深字 / 白卡圆角
   ============================================================ */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:#f4f7fb;color:#12263a;font-size:14.5px;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}

/* ---------- 顶部导航 ---------- */
.pn-nav{background:#fff;border-bottom:1px solid #e6edf5;position:sticky;top:0;z-index:50}
.pn-nav-in{max-width:1160px;margin:0 auto;padding:0 20px;height:58px;display:flex;align-items:center;flex-wrap:nowrap;gap:0}
.pn-logo{display:flex;align-items:center;gap:9px;font-size:16.5px;flex-shrink:0}
.pn-logo img{width:30px;height:30px}
.pn-links{order:2;flex:1;margin:0 16px;display:flex;justify-content:space-between;gap:4px;
  overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;min-width:0}
.pn-links::-webkit-scrollbar{display:none}
.pn-links a{display:inline-flex;align-items:center;gap:4px;padding:4px 7px;border:1px solid #e6edf5;
  border-radius:99px;background:#fff;color:#425466;font-size:12.6px;white-space:nowrap;transition:.15s;flex-shrink:0}
.pn-links a i{font-style:normal;font-size:13px;line-height:1}
.pn-links a:hover{border-color:#9cc8f5;background:#f2f8ff;color:#2b7fd4}
.pn-logo{order:1;flex-shrink:0}
.pn-navsearch{order:3}
.pn-right{flex-shrink:0}
.pn-navsearch{display:flex;align-items:center;gap:7px;background:#f5f8fc;border:1px solid #e2ebf4;
  border-radius:99px;padding:7px 13px;flex-shrink:0;width:240px;margin-left:0;transition:.15s}
.pn-navsearch:focus-within{background:#fff;border-color:#4a9ff5;box-shadow:0 0 0 3px rgba(74,159,245,.12)}
.pn-navsearch svg{color:#9db2c7;flex-shrink:0}
.pn-navsearch input{border:none;outline:none;background:transparent;font-size:13.5px;width:100%;min-width:0;color:#12263a}
.pn-navsearch input::placeholder{color:#a9b9c9}

/* ---------- 按钮 ---------- */
.pn-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:#2b7fd4;color:#fff;border:none;border-radius:9px;padding:9px 20px;
  font-size:14px;font-weight:600;cursor:pointer;transition:.15s}
.pn-btn:hover{background:#2369b4}
.pn-btn.ghost{background:#fff;color:#2b7fd4;border:1px solid #cfe2f7}
.pn-btn.ghost:hover{background:#f0f6ff}

/* ---------- 面包屑 ---------- */
.pn-crumb{padding:16px 0 0;font-size:12.5px;color:#8a99ab;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.pn-crumb a:hover{color:#2b7fd4}
.pn-crumb i{color:#c4d1de;font-style:normal}
.pn-crumb span{color:#5a6b7d}

/* ---------- 容器 ---------- */
.pn-wrap{max-width:1160px;margin:0 auto;padding:0 20px 26px}
.pn-wrap-narrow{max-width:1160px}

/* ---------- 首页搜索区 ---------- */
.pn-hero{text-align:center;padding:34px 0 10px}
.pn-hero h1{margin:0 0 8px;font-size:30px;line-height:1.3;letter-spacing:.5px}
.pn-hero h1 span{display:block;font-size:11.5px;letter-spacing:4px;color:#9db2c7;font-weight:600;margin-bottom:6px}
.pn-hero h1 b{color:#2b7fd4}
.pn-hero-sub{margin:0 0 22px;color:#5a6b7d;font-size:14px}
.pn-search{display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid #dbe6f1;
  border-radius:14px;padding:13px 18px;max-width:620px;margin:0 auto;
  box-shadow:0 8px 28px rgba(30,64,110,.07);transition:.15s}
.pn-search:focus-within{border-color:#4a9ff5;box-shadow:0 8px 28px rgba(74,159,245,.18)}
.pn-search svg{flex-shrink:0;color:#9db2c7}
.pn-search input{flex:1;border:none;outline:none;font-size:15px;background:transparent;color:#12263a;min-width:0}
.pn-search button{background:#2b7fd4;color:#fff;border:none;border-radius:9px;padding:8px 18px;font-size:13.5px;font-weight:600;cursor:pointer;flex-shrink:0}
.pn-search button:hover{background:#2369b4}
.pn-badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.pn-badge{background:#fff;border:1px solid #e2ebf4;color:#5a6b7d;border-radius:99px;padding:4px 13px;font-size:12.5px}

/* ≤1499 胶囊藏图标；≤1199 logo 只留图标、搜索收窄；≤759 才两行 */
@media(max-width:1499px){.pn-links a i{display:none}}
@media(max-width:1199px){.pn-logo b{display:none}.pn-navsearch{width:210px}}
@media(max-width:759px){
  .pn-nav-in{height:auto;flex-wrap:wrap;padding:9px 14px 8px}
  .pn-logo{order:1}
  .pn-logo b{display:inline}
  .pn-navsearch{order:2;margin-left:auto;width:190px}
  .pn-links{order:3;flex:none;flex-basis:100%;width:100%;margin:7px 0 0;justify-content:flex-start}
  .pn-links a i{display:inline}
}
/* ---------- 区块标题（mockup：无卡片平铺） ---------- */
.pn-secblock{margin-top:34px}
.pn-sec{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.pn-sec h2{margin:0;font-size:19px;line-height:1.4}
.pn-sec small{color:#8a99ab;font-size:12.5px}
.pn-sec .pn-more{margin-left:auto;font-size:12.8px;color:#2b7fd4}
.pn-sec .pn-more:hover{text-decoration:underline}

/* ---------- 「浏览全部」紧凑卡（相关推荐末位） ---------- */
.pn-item-more{align-items:flex-start;justify-content:center;gap:4px}
.pn-item-more b{color:#2b7fd4}
.pn-item-more:hover b{text-decoration:underline}

/* ---------- 分类集合彩色卡 ---------- */
.pn-catgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.pn-catcard{--cc:#4a9ff5;background:#fff;border-radius:14px;border:1px solid #e6edf5;
  padding:20px 10px 16px;text-align:center;transition:.18s}
.pn-catcard:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(30,64,110,.12)}
.pn-catcard .ic{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;
  border-radius:13px;background:color-mix(in srgb,var(--cc) 14%,#fff);color:var(--cc);font-size:21px;margin-bottom:9px}
.pn-catcard b{display:block;font-size:13.5px;margin-bottom:3px}
.pn-catcard em{font-style:normal;color:#9db2c7;font-size:12px}

/* ---------- 最新收录列表行 ---------- */
.pn-rows{background:#fff;border-radius:14px;border:1px solid #e6edf5;overflow:hidden}
.pn-row{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid #eef3f9;transition:.12s}
.pn-row:last-child{border-bottom:none}
.pn-row:hover{background:#f7faff}
.pn-row b{font-size:14px;flex-shrink:0;max-width:44%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pn-row .tags{display:flex;gap:6px;flex:1;overflow:hidden}
.pn-row .tags em{font-style:normal;background:#f0f6ff;color:#4a8ed0;border-radius:6px;padding:2px 9px;font-size:11.5px;white-space:nowrap}
.pn-row .arrow{color:#c4d1de;font-style:normal;font-size:17px;flex-shrink:0}

/* ---------- chips ---------- */
.pn-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.pn-chips-center{justify-content:center;margin:22px 0 24px}
.pn-chip{background:#fff;border:1.5px solid #dbe6f1;color:#5a6b7d;border-radius:99px;
  padding:7px 18px;font-size:13.5px;cursor:pointer;transition:.15s}
.pn-chip:hover{border-color:#4a9ff5;color:#2b7fd4}
.pn-chip.on{background:#2b7fd4;border-color:#2b7fd4;color:#fff;font-weight:600}

/* ---------- 全部提示词紧凑网格 ---------- */
.pn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
#pnHot{grid-template-columns:repeat(3,1fr)}
.pn-item{background:#fff;border:1px solid #e6edf5;border-radius:12px;padding:16px;
  display:flex;flex-direction:column;gap:7px;transition:.15s}
.pn-item:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(30,64,110,.11)}
.pn-item .ico{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:19px}
.pn-item b{font-size:14.5px;line-height:1.4}
.pn-item .desc{margin:0;color:#5a6b7d;font-size:12.5px;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pn-item .foot{display:flex;align-items:center;gap:9px;font-size:11.8px;color:#9db2c7;margin-top:auto}
.pn-item .foot .arrow{margin-left:auto;font-size:16px;color:#c4d1de}
.pn-tag{border-radius:6px;padding:2px 8px;font-size:11.5px;background:#f0f6ff;color:#4a8ed0;font-style:normal}
.pn-empty{display:none;text-align:center;color:#8a99ab;padding:44px 0;font-size:13.5px}
.pn-count{margin-left:auto;font-size:12.5px;color:#8a99ab;align-self:center}
.pn-chips-center .pn-count{margin-left:14px}
.pn-pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:26px;flex-wrap:wrap}
.pn-pager a,.pn-pager span{min-width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;border:1px solid #e2ebf4;background:#fff;font-size:13px;color:#425466;padding:0 12px}
.pn-pager a:hover{border-color:#4a9ff5;color:#2b7fd4}
.pn-pager .pg.on,.pn-pager span.on{background:#2b7fd4;border-color:#2b7fd4;color:#fff;font-weight:600}
.pn-pager .pg-btn.dis{color:#b3c2d1;cursor:default}
.pn-viewall{display:inline-flex;align-items:center;gap:4px;margin-top:16px;font-size:13.3px;color:#2b7fd4;font-weight:600}
.pn-viewall:hover{text-decoration:underline}
.pn-search-sm{max-width:460px;padding:10px 14px;margin-top:18px;box-shadow:0 4px 16px rgba(30,64,110,.06)}
.pn-search-sm input{font-size:14px}
.pn-chip em{font-style:normal;opacity:.72;font-size:12px;margin-left:2px}

/* ---------- 分类页 hero ---------- */
.pn-cathero{text-align:center;padding:26px 0 4px;--cc:#4a9ff5}
.pn-cathero h1{margin:0 0 8px;font-size:27px}
.pn-cathero p{margin:0;color:#5a6b7d;font-size:13.8px}
.pn-head{padding:18px 0 20px}
.pn-head h1{margin:0 0 13px;font-size:25px;line-height:1.35}
.pn-meta{display:flex;gap:8px;flex-wrap:wrap}
.pn-badge2{display:inline-flex;align-items:center;gap:4px;border-radius:99px;padding:4px 13px;
  font-size:12.3px;background:#fff;border:1px solid #e2ebf4;color:#5a6b7d}

/* ---------- 卡片 / 区块标题（详情页） ---------- */
.pn-card{background:#fff;border:1px solid #e6edf5;border-radius:14px;padding:22px 24px;margin-bottom:18px}
.pn-sec-title{display:flex;align-items:baseline;gap:9px;font-size:16.5px;font-weight:700;margin-bottom:13px}
.pn-sec-title .bar{width:4px;height:16px;border-radius:2px;background:#2b7fd4;align-self:center}
.pn-sec-title small{font-size:12px;color:#9db2c7;font-weight:400}
.pn-lead{margin:-4px 0 12px;color:#42566b;font-size:13.8px;line-height:1.85}

/* ---------- 深色模板预览块（mockup 样式） ---------- */
.pn-code{border-radius:12px;overflow:hidden;border:1px solid #22344a;margin-top:6px}
.pn-code-h{display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:#22344a;padding:9px 16px}
.pn-code-h b{color:#cfe0f2;font-size:12.5px;font-weight:600}
.pn-code-h em{font-style:normal;color:#7e93ab;font-size:11.5px}
.pn-pre{margin:0;background:#182635;color:#d7e4f1;padding:18px 20px;overflow:auto;
  font:13px/1.85 "SFMono-Regular",Consolas,"Microsoft YaHei",monospace;white-space:pre-wrap;word-break:break-word;max-height:420px}
.pn-pre .v{color:#ffd479;background:rgba(255,212,121,.13);border-radius:4px;padding:1px 4px;font-weight:600}
.pn-pre .v.empty{color:#ff8f7a;background:rgba(255,143,122,.12);font-weight:400}

/* ---------- 变量表单（堆叠式） ---------- */
.pn-form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 16px}
.pn-field label{display:block;font-size:12.8px;font-weight:600;color:#42566b;margin-bottom:6px}
.pn-field label i{color:#e2604e;font-style:normal;margin-left:3px}
.pn-field input{width:100%;border:1.5px solid #dbe6f1;border-radius:9px;padding:10px 13px;
  font-size:13.8px;outline:none;transition:.15s;background:#fbfdff;color:#12263a}
.pn-field input:focus{border-color:#4a9ff5;background:#fff;box-shadow:0 0 0 3px rgba(74,159,245,.14)}
.pn-field input::placeholder{color:#b3c2d1}
.pn-bar{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid #eef3f9}
.pn-fill{font-size:12.8px;color:#8a99ab;margin-right:auto}
.pn-bar-btns{display:flex;gap:10px}

/* ---------- 步骤 / 提示 ---------- */
.pn-steps{margin:0;padding-left:20px;color:#42566b;font-size:13.6px;line-height:2}
.pn-tips{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.pn-tip{background:#f6f9fd;border:1px solid #e9f0f8;border-radius:10px;padding:12px 15px;font-size:12.8px;line-height:1.75;color:#5a6b7d}
.pn-tip b{color:#2b5d8f}

/* ---------- FAQ ---------- */
.pn-faq{border-bottom:1px solid #eef3f9;padding:13px 2px}
.pn-faq:last-child{border-bottom:none}
.pn-faq summary{cursor:pointer;font-weight:600;font-size:14px;list-style:none;display:flex;align-items:center;gap:8px}
.pn-faq summary::-webkit-details-marker{display:none}
.pn-faq summary::before{content:"+";color:#2b7fd4;font-weight:700;font-size:16px;width:16px;flex-shrink:0}
.pn-faq[open] summary::before{content:"−"}
.pn-faq p{margin:8px 0 2px 24px;color:#5a6b7d;font-size:13.3px;line-height:1.8}

/* ---------- 页脚 ---------- */
.pn-foot{background:#fff;border-top:1px solid #e6edf5;margin-top:0}
.pn-foot-in{max-width:1160px;margin:0 auto;padding:26px 20px 30px;text-align:center;color:#8a99ab;font-size:12.3px;line-height:2}
.pn-foot-nav{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:8px}
.pn-foot-nav a{color:#5a6b7d}
.pn-foot-nav a:hover{color:#2b7fd4}
.pn-foot a{color:#2b7fd4}

/* ---------- toast ---------- */
.pn-toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(16px);
  background:#22344a;color:#fff;padding:10px 22px;border-radius:99px;font-size:13.5px;
  opacity:0;pointer-events:none;transition:.22s;z-index:99;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.pn-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 宽屏放宽（与工具页 .rd-wrap 规则一致） ---------- */
@media(min-width:1600px){
  .pn-nav-in,.pn-wrap,.pn-wrap-narrow{max-width:1440px}
}

/* ---------- 响应式 ---------- */
@media(max-width:1200px){
  .pn-grid{grid-template-columns:repeat(3,1fr)}
  #pnHot{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:900px){
  .pn-catgrid{grid-template-columns:repeat(3,1fr)}
  .pn-grid{grid-template-columns:repeat(2,1fr)}
  #pnHot{grid-template-columns:repeat(2,1fr)}
  .pn-form{grid-template-columns:1fr}
  .pn-tips{grid-template-columns:1fr}
}
@media(max-width:640px){
  .pn-nav-in{padding:8px 14px 7px}
  .pn-links a{padding:4px 9px;font-size:12.3px;gap:4px}
  .pn-links a i{font-size:12px}
  .pn-navsearch{width:160px;padding:6px 11px}
  .pn-wrap{padding:0 14px 26px}
  .pn-hero{padding-top:22px}
  .pn-hero h1{font-size:23px}
  .pn-catgrid{grid-template-columns:repeat(2,1fr)}
  .pn-grid{grid-template-columns:1fr}
  .pn-search{padding:11px 13px;border-radius:12px}
  .pn-search button{padding:7px 13px}
  .pn-row{flex-wrap:wrap;gap:8px;padding:12px 14px}
  .pn-row b{max-width:100%}
  .pn-row .tags{width:100%}
  .pn-card{padding:17px 15px}
  .pn-head h1{font-size:21px}
  .pn-bar{flex-wrap:wrap}
  .pn-bar-btns{width:100%}
  .pn-bar-btns .pn-btn{flex:1}
}

/* ==== 标签 chips（详情页 + 热门标签行） ==== */
.pn-tags{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.pn-tagchip{display:inline-block;padding:3px 10px;border-radius:99px;background:#f5f8fc;border:1px solid #e6edf5;font-size:12.3px;color:#5a6b7d;text-decoration:none}
.pn-tagchip:hover{color:#2f7ae5;border-color:#bcd7f7;background:#eef5fd}
.pn-tagchip em{font-style:normal;color:#9aa9b8;margin-left:2px}
.pn-hotrow{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:12px 0 18px}
.pn-hotlabel{font-size:12.5px;color:#8a99ab;flex:none}

/* ==== 收藏按钮激活态 ==== */
.pn-btn.on{color:#d9930d;border-color:#f3d48f;background:#fdf6e7}