/* 叁佰建站 · 模板超市（门户样式，独立于任何站点模板） */

:root{
  --ink:#12141a;
  --ink2:#5a6273;
  --ink3:#8b93a5;
  --line:#e6e8ee;
  --bg:#ffffff;
  --bg2:#f6f7fa;
  --accent:#2a4bff;
  --accent-soft:#eef1ff;
  --radius:16px;
  --wrap:1180px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 顶栏 ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:32px;height:68px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2a4bff,#0f1e4d);color:#fff;font-weight:700;font-size:15px;
}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-txt b{font-size:15px;font-weight:700}
.brand-txt i{font-style:normal;font-size:11px;color:var(--ink3);letter-spacing:.08em}
.head-nav{display:flex;gap:26px;margin-left:auto;font-size:14px;color:var(--ink2)}
.head-nav a:hover{color:var(--ink)}
.head-cta{
  font-size:13.5px;padding:9px 16px;border-radius:999px;background:var(--ink);color:#fff;font-weight:600;
  transition:.2s;white-space:nowrap;
}
.head-cta:hover{background:var(--accent)}

/* ---------- 主视觉 ---------- */
.hero{
  padding:72px 0 56px;
  background:
    radial-gradient(900px 380px at 15% -10%, #eef1ff 0%, transparent 60%),
    radial-gradient(700px 320px at 95% 0%, #f3f6ff 0%, transparent 55%);
  border-bottom:1px solid var(--line);
}
.kicker{
  display:inline-block;margin:0 0 18px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);padding:5px 12px;border-radius:999px;font-weight:600;
}
.hero h1{margin:0 0 18px;font-size:clamp(30px,4.4vw,48px);line-height:1.18;letter-spacing:-.02em;font-weight:700}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.34em;background:#ffe08a;z-index:-1;border-radius:3px}
.hero .lead{max-width:620px;margin:0 0 38px;font-size:16.5px;color:var(--ink2)}
.stats{display:flex;flex-wrap:wrap;gap:44px}
.stat{display:flex;flex-direction:column}
.stat b{font-size:26px;font-weight:700;letter-spacing:-.01em}
.stat span{font-size:13px;color:var(--ink3)}

/* ---------- 筛选 ---------- */
.filters{padding:34px 0 64px}
.filter-bar{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:30px}
.tabs{display:flex;flex-wrap:wrap;gap:8px}
.tab{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;padding:8px 14px;border-radius:10px;
  color:var(--ink2);border:1px solid transparent;transition:.16s;
}
.tab i{font-style:normal;font-size:11px;color:var(--ink3);background:var(--bg2);padding:1px 6px;border-radius:999px}
.tab:hover{background:var(--bg2);color:var(--ink)}
.tab.on{background:var(--ink);color:#fff}
.tab.on i{background:rgba(255,255,255,.18);color:#fff}
.selects{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--ink2)}
.selects label{display:flex;align-items:center;gap:6px}
.selects select{
  appearance:none;border:1px solid var(--line);background:#fff;border-radius:9px;
  padding:7px 30px 7px 11px;font-size:13.5px;color:var(--ink);cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M1 1l4 4 4-4' stroke='%238b93a5' fill='none' stroke-width='1.4'/></svg>");
  background-repeat:no-repeat;background-position:right 11px center;
}
.selects select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.reset{color:var(--accent);font-size:13px}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:26px}
.card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -18px rgba(18,20,26,.22);border-color:#d5d9e4}

/* 模板缩略图：用骨架线框模拟版面，按色调上色，不依赖截图文件 */
.shot{display:block;position:relative;aspect-ratio:16/10;overflow:hidden;background:#f2f4f8;border-bottom:1px solid var(--line)}
.shot-chrome{display:flex;align-items:center;gap:5px;height:22px;padding:0 10px;background:#e9ecf2}
.shot-chrome i{width:6px;height:6px;border-radius:50%;background:#c7ccd8}
.shot-chrome span{margin-left:8px;height:6px;flex:1;max-width:120px;border-radius:3px;background:#dfe3ec}
.shot-body{position:absolute;inset:22px 0 0;padding:14px 16px;display:flex;flex-direction:column;gap:9px}
.sk-nav{height:9px;width:62%;border-radius:3px;background:#dfe3ec}
.sk-hero{height:38%;border-radius:8px;background:#e4e8f0}
.sk-cols{display:flex;gap:8px;margin-top:auto}
.sk-cols span{flex:1;height:34px;border-radius:6px;background:#e7ebf3}
.sk-lines{display:flex;flex-direction:column;gap:5px}
.sk-lines span{height:6px;border-radius:3px;background:#e7ebf3}
.sk-lines span:last-child{width:64%}
.shot-hover{
  position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:.22s;
  background:rgba(18,20,26,.42);
}
.shot-hover span{
  background:#fff;color:var(--ink);font-size:13.5px;font-weight:600;padding:10px 20px;border-radius:999px;
  transform:translateY(6px);transition:.22s;
}
.shot:hover .shot-hover{opacity:1}
.shot:hover .shot-hover span{transform:translateY(0)}

/* 深色 / 蓝 / 金 / 红 / 绿 五种色调的缩略图配色 */
.shot[data-color="dark"]{background:#15171c}
.shot[data-color="dark"] .shot-chrome{background:#0e1014}
.shot[data-color="dark"] .shot-chrome i{background:#33373f}
.shot[data-color="dark"] .shot-chrome span,
.shot[data-color="dark"] .sk-nav,
.shot[data-color="dark"] .sk-lines span{background:#2a2f38}
.shot[data-color="dark"] .sk-hero{background:#20242c}
.shot[data-color="dark"] .sk-cols span{background:#1c2027}

.shot[data-color="blue"]{background:#0d2550}
.shot[data-color="blue"] .shot-chrome{background:#081a3a}
.shot[data-color="blue"] .shot-chrome i{background:#2b4c86}
.shot[data-color="blue"] .shot-chrome span,
.shot[data-color="blue"] .sk-nav,
.shot[data-color="blue"] .sk-lines span{background:#234176}
.shot[data-color="blue"] .sk-hero{background:#1a3462}
.shot[data-color="blue"] .sk-cols span{background:#17305b}

.shot[data-color="gold"]{background:#17130e}
.shot[data-color="gold"] .shot-chrome{background:#100d09}
.shot[data-color="gold"] .shot-chrome i{background:#4a3b25}
.shot[data-color="gold"] .shot-chrome span,
.shot[data-color="gold"] .sk-nav,
.shot[data-color="gold"] .sk-lines span{background:#3d3122}
.shot[data-color="gold"] .sk-hero{background:#2e2518}
.shot[data-color="gold"] .sk-cols span{background:#291f13}

.shot[data-color="red"]{background:#4a1414}
.shot[data-color="red"] .shot-chrome{background:#380f0f}
.shot[data-color="red"] .shot-chrome i{background:#8a3a3a}
.shot[data-color="red"] .shot-chrome span,
.shot[data-color="red"] .sk-nav,
.shot[data-color="red"] .sk-lines span{background:#7a2f2f}
.shot[data-color="red"] .sk-hero{background:#652525}
.shot[data-color="red"] .sk-cols span{background:#5c2121}

.shot[data-color="green"]{background:#0f2a22}
.shot[data-color="green"] .shot-chrome{background:#0a1f19}
.shot[data-color="green"] .shot-chrome i{background:#2f6b57}
.shot[data-color="green"] .shot-chrome span,
.shot[data-color="green"] .sk-nav,
.shot[data-color="green"] .sk-lines span{background:#26584a}
.shot[data-color="green"] .sk-hero{background:#1e4a3d}
.shot[data-color="green"] .sk-cols span{background:#1b4237}

.card-bd{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-top{display:flex;align-items:center;gap:10px;justify-content:space-between}
.card-top h3{margin:0;font-size:17px;font-weight:700;letter-spacing:-.01em}
.card-top h3 a:hover{color:var(--accent)}
.tag{font-size:11.5px;color:var(--ink2);background:var(--bg2);border:1px solid var(--line);padding:2px 9px;border-radius:999px;white-space:nowrap}
.desc{
  margin:0;font-size:13.5px;color:var(--ink2);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.chip{font-size:11.5px;color:var(--ink2);background:#fff;border:1px solid var(--line);padding:2px 8px;border-radius:6px}
.chip.dim{color:var(--ink3)}
.chip.color-light{background:#f4f5f8}
.chip.color-dark{background:#1b1e24;color:#e8eaf0;border-color:#1b1e24}
.chip.color-blue{background:#eaf0ff;color:#23418f;border-color:#d8e2ff}
.chip.color-gold{background:#fbf3e4;color:#8a6a2f;border-color:#f0e2c6}
.chip.color-red{background:#fdeeee;color:#9b3232;border-color:#f6dada}
.chip.color-green{background:#eaf7f1;color:#256853;border-color:#d5ede4}
.card-act{display:flex;gap:10px;margin-top:auto;padding-top:6px}
.btn{
  flex:1;text-align:center;font-size:13.5px;font-weight:600;padding:10px 14px;border-radius:10px;
  background:var(--ink);color:#fff;border:1px solid var(--ink);transition:.18s;
}
.btn:hover{background:var(--accent);border-color:var(--accent)}
.btn.ghost{background:#fff;color:var(--ink2);border-color:var(--line);flex:0 0 auto;padding:10px 18px}
.btn.ghost:hover{border-color:var(--ink);color:var(--ink);background:#fff}

.empty{text-align:center;padding:80px 0;color:var(--ink2)}
.empty .btn{display:inline-block;margin-top:16px;flex:none;padding:10px 22px}

/* ---------- 选型建议 / FAQ ---------- */
.tips{padding:70px 0;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tips h2,.faq h2{margin:0 0 34px;font-size:26px;font-weight:700;letter-spacing:-.01em}
.tip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.tip{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.tip b{display:block;font-size:12px;color:var(--accent);letter-spacing:.1em;margin-bottom:10px}
.tip h3{margin:0 0 8px;font-size:16px}
.tip p{margin:0;font-size:13.5px;color:var(--ink2)}

.faq{padding:70px 0 84px}
.qa{margin:0;max-width:820px}
.qa dt{font-weight:600;font-size:15.5px;padding-top:20px;border-top:1px solid var(--line)}
.qa dt:first-child{border-top:0;padding-top:0}
.qa dd{margin:8px 0 20px;color:var(--ink2);font-size:14px}

/* ---------- 详情页 ---------- */
.detail{padding:48px 0 80px}
.crumb{font-size:13px;color:var(--ink3);margin-bottom:26px}
.crumb a:hover{color:var(--accent)}
.detail-top{display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:start}
.detail-shot{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 50px -30px rgba(18,20,26,.3)}
.detail-shot .shot{aspect-ratio:16/10;border-bottom:0}
.detail-shot .shot-body{inset:26px 0 0;padding:20px 24px;gap:12px}
.detail-shot .sk-hero{height:42%}
.detail-info h1{margin:0 0 12px;font-size:30px;letter-spacing:-.02em}
.detail-info .lead{margin:0 0 22px;color:var(--ink2);font-size:14.5px}
.meta-list{display:flex;flex-direction:column;gap:10px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:24px}
.meta-row{display:flex;font-size:13.5px}
.meta-row b{width:76px;flex:none;color:var(--ink3);font-weight:400}
.meta-row span{color:var(--ink)}
.detail-act{display:flex;gap:12px}
.detail-act .btn{flex:1;padding:13px 18px;font-size:14px}
.detail-act .btn.ghost{flex:0 0 auto}

.panel{margin-top:56px;display:grid;grid-template-columns:1fr 1fr;gap:40px}
.panel h2{margin:0 0 16px;font-size:18px}
.feat-list{display:flex;flex-wrap:wrap;gap:8px}
.feat-list .chip{padding:5px 12px;font-size:12.5px;background:var(--bg2)}
.req-table{width:100%;border-collapse:collapse;font-size:13.5px}
.req-table th,.req-table td{text-align:left;padding:10px 0;border-bottom:1px solid var(--line);vertical-align:top}
.req-table th{width:88px;color:var(--ink3);font-weight:400}
.req-table td{color:var(--ink2)}

/* ---------- 页脚 ---------- */
.site-foot{border-top:1px solid var(--line);background:#fff;padding:52px 0 26px}
.foot-main{display:grid;grid-template-columns:1.6fr .8fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid var(--line)}
.foot-brand{display:flex;gap:12px;align-items:flex-start}
.foot-brand b{font-size:15px}
.foot-brand p{margin:6px 0 0;font-size:13px;color:var(--ink2);max-width:380px}
.foot-col h4{margin:0 0 12px;font-size:13px;color:var(--ink3);font-weight:500;letter-spacing:.04em}
.foot-col a{display:block;font-size:13.5px;color:var(--ink2);padding:3px 0}
.foot-col a:hover{color:var(--accent)}
.foot-note{margin:0;font-size:12.5px;color:var(--ink3);line-height:1.7}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:20px;font-size:12.5px;color:var(--ink3)}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .detail-top{grid-template-columns:1fr;gap:28px}
  .panel{grid-template-columns:1fr;gap:28px}
  .foot-main{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .head-nav{display:none}
  .hero{padding:48px 0 40px}
  .stats{gap:28px}
  .filter-bar{align-items:flex-start}
  .grid{grid-template-columns:1fr}
  .tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;width:100%;-webkit-overflow-scrolling:touch}
  .tab{white-space:nowrap}
  .foot-main{grid-template-columns:1fr}
}