/* rainya.me 导航 —— 纯白 · 简单 */
:root{
  --bg:#ffffff;
  --line:#ececec;
  --line-hover:#d6d6d6;
  --fg:#1a1a1a;
  --dim:#9aa0a6;
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:760px;margin:0 auto;padding:56px 22px 80px}

/* 顶部 */
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.head h1{margin:0;font-size:22px;font-weight:600;letter-spacing:.2px}
.date{margin:3px 0 0;color:var(--dim);font-size:13px}
.clock{font-size:24px;font-weight:300;font-variant-numeric:tabular-nums;color:#444}

/* 分组 */
.group{margin-bottom:26px}
.group h2{margin:0 0 12px;font-size:12.5px;font-weight:600;color:var(--dim);letter-spacing:1.6px}
.links{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.link{
  display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--fg);
  border:1px solid var(--line);border-radius:11px;padding:11px 13px;background:#fff;
  transition:border-color .15s;
}
.link:hover{border-color:var(--line-hover)}
.ico{width:32px;height:32px;flex:0 0 auto;border-radius:9px;display:grid;place-items:center;color:#fff;font-size:15px;font-weight:600;background:var(--c,#a3a3a3)}
.txt{display:flex;flex-direction:column;min-width:0}
.txt b{font-weight:500;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.txt i{font-style:normal;color:var(--dim);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 页脚（含备案） */
.foot{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  color:#b0b0b0;font-size:12.5px;margin-top:40px;padding-top:15px;border-top:1px solid var(--line)
}
.foot-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.beian{color:#b0b0b0;text-decoration:none}
.beian:hover{color:#666;text-decoration:underline}

@media(max-width:520px){
  .wrap{padding:32px 14px 56px}
  .head{flex-direction:column;align-items:flex-start;gap:4px;margin-bottom:20px}
  .clock{font-size:19px}
  .links{grid-template-columns:1fr 1fr;gap:8px}
  .link{padding:10px;gap:9px}
  .ico{width:28px;height:28px;font-size:13px;border-radius:8px}
  .txt i{display:none}
}