/* ===== 基础 ===== */
:root{
  --bg:#0f1512;
  --panel:#16201a;
  --panel2:#1b2720;
  --line:rgba(255,255,255,.08);
  --ink:#eaf3ec;
  --muted:#9db3a3;
  --accent:#3ddc84;      /* 主导绿 */
  --accent-ink:#06130c;
  --accent2:#2bb8de;
  --danger:#ff6b4a;
  --radius:14px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}

/* 可访问性 */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-999px;top:8px;z-index:100;background:var(--accent);color:var(--accent-ink);font-weight:700;padding:10px 16px;border-radius:8px;text-decoration:none}
.skip-link:focus{left:8px}
:focus-visible{outline:2px solid var(--accent2);outline-offset:2px;border-radius:4px}

/* ===== 头部 ===== */
.site-header{background:linear-gradient(180deg,#101a14,#0f1512);border-bottom:1px solid var(--line)}
.site-header .wrap{padding-top:30px;padding-bottom:22px}
.brand{display:flex;align-items:center;gap:14px}
.brand-box{
  flex:none;width:52px;height:52px;border-radius:14px;
  background:var(--accent);color:var(--accent-ink);
  display:grid;place-items:center;font-weight:800;font-size:20px;letter-spacing:.5px;
  box-shadow:0 6px 18px rgba(61,220,132,.25);
}
.brand-text h1{font-size:23px;font-weight:800;letter-spacing:.2px;text-shadow:0 1px 2px rgba(0,0,0,.35)}
.brand-sub{color:var(--muted);font-size:13px;margin-top:2px}
.header-note{color:var(--muted);font-size:13px;margin-top:16px;line-height:1.7}
.header-note b{color:#fff;font-weight:600}

/* ===== 控制区 ===== */
.legend{display:flex;flex-wrap:wrap;gap:14px 18px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.legend-item{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:12px}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex:none}
.dot-native{background:var(--accent);box-shadow:0 0 6px rgba(61,220,132,.6)}
.dot-ros{background:#ffc24a}
.dot-lang{background:var(--accent2)}

.search-field{display:block}
.search-field input{
  width:100%;padding:13px 16px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);color:var(--ink);
  font-size:15px;font-family:inherit;
  transition:border-color .15s,box-shadow .15s;
}
.search-field input::placeholder{color:var(--muted)}
.search-field input:hover{border-color:rgba(255,255,255,.18)}
.search-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,220,132,.18)}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 6px}
.chip{
  border:1px solid var(--line);background:var(--panel);color:var(--muted);
  padding:6px 13px;border-radius:999px;font-size:13px;cursor:pointer;font-family:inherit;
  transition:background .15s,color .15s,border-color .15s;
}
.chip:hover{border-color:rgba(255,255,255,.25);color:var(--ink)}
.chip:active{transform:translateY(1px)}
.chip[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}

.result-bar{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:14px 0 4px;flex-wrap:wrap}
.count{font-weight:700;color:var(--ink);font-size:14px}
.hint{color:var(--muted);font-size:12px}

/* ===== 卡片网格 ===== */
.app-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:12px 0}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .15s,border-color .15s,background .15s;
}
.card:hover{border-color:rgba(255,255,255,.16);background:var(--panel2);transform:translateY(-2px)}
.card-img{
  position:relative;width:100%;aspect-ratio:16/8.2;overflow:hidden;
  background:#0d1410 radial-gradient(120% 120% at 50% -10%, rgba(61,220,132,.14), transparent 60%);
  display:grid;place-items:center;
}
.card-img img{width:100%;height:100%;display:block}
.card-img img.media{object-fit:cover}
.card-img img.icon{width:52px;height:52px;object-fit:contain;border-radius:10px}
.card-img.img-fail img{opacity:0}
.card-img.img-fail::before{
  content:attr(data-key);position:absolute;inset:0;display:grid;place-items:center;
  font-size:34px;font-weight:800;font-family:var(--mono);color:rgba(255,255,255,.28);
  letter-spacing:.5px;text-shadow:0 2px 8px rgba(0,0,0,.4);
}
.card-img.img-fail::after{content:'';position:absolute;inset:auto auto 8px 50%;transform:translateX(-50%);
  width:44px;height:1px;background:rgba(255,255,255,.12)}
.card-body{padding:13px 15px 15px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.card-title{font-size:15px;font-weight:700;line-height:1.4;word-break:break-word;text-shadow:0 1px 2px rgba(0,0,0,.3)}
.badge{flex:none;font-size:11px;padding:1px 8px;border-radius:999px;white-space:nowrap}
.badge-native{color:#3ddc84;border:1px solid rgba(61,220,132,.4);background:rgba(61,220,132,.08)}
.badge-ros{color:#ffc24a;border:1px solid rgba(255,194,74,.4);background:rgba(255,194,74,.08)}
.badge-unknown{color:var(--muted);border:1px solid var(--line)}
.card-zh{color:var(--muted);font-size:13px;line-height:1.6;min-height:2.5em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;align-items:baseline}
.mtag{font-size:11px;color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--line);padding:1px 8px;border-radius:6px}
.card-dl{
  margin-top:6px;display:inline-flex;align-items:center;justify-content:center;gap:7px;
  background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:14px;
  padding:10px 12px;border-radius:10px;text-decoration:none;
  transition:background .15s,transform .15s;
}
.card-dl:hover{background:#5ce99a}
.card-dl:active{transform:translateY(1px)}
.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:60px 0;font-size:14px}

/* ===== 分页 ===== */
.pager{display:flex;align-items:center;justify-content:center;gap:16px;margin:26px 0 8px}
.pg{
  background:var(--panel);border:1px solid var(--line);color:var(--ink);
  padding:10px 18px;border-radius:10px;font-size:14px;cursor:pointer;font-family:inherit;
  transition:background .15s,border-color .15s;
}
.pg:hover:not(:disabled){border-color:rgba(255,255,255,.25);background:var(--panel2)}
.pg:active:not(:disabled){transform:translateY(1px)}
.pg:disabled{opacity:.35;cursor:not-allowed}
.page-info{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}

/* ===== 页脚 ===== */
.site-footer{border-top:1px solid var(--line);margin-top:34px;padding:18px 0 30px}
.site-footer p{color:var(--muted);font-size:12px;line-height:1.7}

@media (max-width:560px){
  .app-grid{grid-template-columns:1fr 1fr;gap:10px}
  .card-body{padding:10px 11px 12px}
  .card-title{font-size:13.5px}
  .card-zh{font-size:12px}
  .card-dl{padding:9px 10px;font-size:13px}
  .card-img img.icon{width:40px;height:40px;border-radius:8px}
  .badge{font-size:9.5px;padding:1px 6px}
  .brand-box{width:44px;height:44px;font-size:17px;border-radius:12px}
  .brand-text h1{font-size:18px}
}
@media (max-width:380px){
  .app-grid{grid-template-columns:1fr}
}