/* 51漫画 - 每日免费更新海量在线漫画（粘性分段导航 + 更新瀑布流） */
:root{
  --bg:#0b0f1a;
  --surface:rgba(255,255,255,.06);
  --card:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.10);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.62);
  --p:#00e5ff;
  --p2:#ff3d7f;
  --ok:#22c55e;
  --warn:#fbbf24;
  --r:18px;
  --max:1200px;
  --shadow: 0 18px 40px rgba(0,0,0,.38);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Microsoft YaHei","PingFang SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:
    radial-gradient(1000px 560px at 10% -10%, rgba(0,229,255,.18), transparent 60%),
    radial-gradient(900px 520px at 92% 0%, rgba(255,61,127,.16), transparent 60%),
    radial-gradient(900px 520px at 60% 120%, rgba(34,197,94,.10), transparent 60%),
    var(--bg);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  line-height:1.75;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.container{width:min(100% - 28px, var(--max));margin-inline:auto}
main{flex:1}

/* 顶栏：品牌 + 提示条 */
.bar{
  position:sticky;top:0;z-index:90;
  background:rgba(11,15,26,.84);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.bar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px}
.logo{
  width:40px;height:40px;border-radius:14px;
  background:linear-gradient(135deg,var(--p),var(--p2));
  display:grid;place-items:center;
  font-weight:1000;
}
.brand small{display:block;color:var(--muted);font-size:.82rem;margin-top:1px}
.hint{
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;
  color:var(--muted);font-size:.88rem;
}
.chip{
  padding:6px 10px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:#eaffff;
  font-weight:900;font-size:.84rem;
}
.chip.hot{background:rgba(0,229,255,.12);border-color:rgba(0,229,255,.24)}
.chip.pink{background:rgba(255,61,127,.12);border-color:rgba(255,61,127,.24)}

/* 粘性分段导航（页内锚点） */
.seg{
  position:sticky;
  top:74px;
  z-index:80;
  background:rgba(11,15,26,.82);
  border:1px solid rgba(255,255,255,.10);
  border-radius:999px;
  padding:10px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  justify-content:center;
  margin:12px auto 10px;
}
.seg a{
  padding:8px 12px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  color:#e9f7ff;
  font-weight:1000;font-size:.86rem;
  transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.seg a:hover{transform:translateY(-1px);border-color:rgba(0,229,255,.22);box-shadow:var(--shadow)}

/* 首页头图 + 文案 */
.hero{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r);
  overflow:hidden;
}
.hero img{width:100%;aspect-ratio:21/9;object-fit:cover}
.hero .body{padding:12px}
.hero h1{margin:0 0 10px;font-size:clamp(1.55rem,3vw,2.05rem);line-height:1.25}
.hero p{margin:0 0 10px;color:#d7defa}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:8px}
@media(min-width:720px){.kpis{grid-template-columns:repeat(4,1fr)}}
.kpi{
  padding:10px;border-radius:16px;
  background:rgba(0,229,255,.12);
  border:1px solid rgba(0,229,255,.22);
}
.kpi strong{display:block}
.kpi span{display:block;color:var(--muted);font-size:.8rem;margin-top:4px}

/* 更新瀑布流（CSS 分栏） */
.section{padding:12px 0 18px}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.head h2,.head h3{margin:0}
.head p{margin:0;color:var(--muted);max-width:72ch}

.waterfall{
  column-count: 3;
  column-gap: 10px;
}
@media(max-width:980px){.waterfall{column-count:2}}
@media(max-width:640px){.waterfall{column-count:1}}
.wcard{
  break-inside:avoid;
  margin:0 0 10px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.10);
  border-radius:16px;
  overflow:hidden;
  box-shadow: 0 12px 30px rgba(0,0,0,.26);
  transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.wcard:hover{transform:translateY(-3px);border-color:rgba(255,61,127,.22);box-shadow:var(--shadow)}
.wcard img{width:100%;aspect-ratio:3/4;object-fit:cover}
.wcard .body{padding:10px}
.meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.78rem;margin-bottom:6px}
.tag{
  padding:2px 7px;border-radius:999px;
  border:1px solid rgba(0,229,255,.22);
  background:rgba(0,229,255,.12);
  color:#dbfdff;
  font-weight:1000;
}
.tag.ok{border-color:rgba(34,197,94,.24);background:rgba(34,197,94,.12);color:#c8ffe0}
.tag.warn{border-color:rgba(251,191,36,.28);background:rgba(251,191,36,.14);color:#ffeab5}
.wcard h3{margin:0 0 6px;font-size:1rem;line-height:1.35}
.wcard p{margin:0;color:#c8d2f2;font-size:.88rem;line-height:1.6}

/* 二段式面板（列表页通用） */
.grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:10px;
}
@media(max-width:1100px){.grid{grid-template-columns:repeat(3, minmax(0,1fr))}}
@media(max-width:860px){.grid{grid-template-columns:repeat(2, minmax(0,1fr))}}
@media(max-width:640px){.grid{grid-template-columns:1fr}}
.card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.10);
  border-radius:16px;
  overflow:hidden;
  transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(0,229,255,.22);box-shadow:var(--shadow)}
.card img{width:100%;aspect-ratio:3/4;object-fit:cover}
.card .body{padding:10px}
.card h3{margin:0 0 6px;font-size:1rem;line-height:1.35}
.card p{margin:0;color:#c8d2f2;font-size:.88rem;line-height:1.6}

/* 内容页 */
.crumb{color:var(--muted);font-size:.84rem;margin-bottom:10px}
.entry{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r);
  overflow:hidden;
}
.entry img{width:100%;aspect-ratio:21/9;object-fit:cover}
.entry .body{padding:12px}
.entry h1{margin:0 0 10px;font-size:clamp(1.25rem,2.6vw,1.65rem)}
.entry ul{margin:0;padding-left:1.2em;color:#d7defa}
.entry li{margin-bottom:7px}
.prose{
  margin-top:12px;
  padding:12px;
  border-radius:var(--r);
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.06);
  color:#d7defa;
  line-height:1.95;
}
.prose h2{margin:1.1em 0 .55em;font-size:1.05rem;color:#fff}
.prose p{margin:0 0 .95em}
.links{margin-top:10px;display:flex;flex-direction:column;gap:6px}
.links a{color:#b7fbff;font-weight:1000}

/* 页脚 */
.footer{
  margin-top:auto;
  border-top:1px solid rgba(255,255,255,.10);
  background:rgba(11,15,26,.82);
  padding:18px 0 16px;
}
.foot{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:12px;
}
@media(max-width:860px){.foot{grid-template-columns:1fr}}
.footer h4{margin:0 0 8px;font-size:.92rem}
.footer p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.75}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin-bottom:6px}
.fine{margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.10);text-align:center;color:rgba(255,255,255,.52);font-size:.82rem}