:root{
  --sea:#0ea5e9; --sea2:#0891b2; --deep:#0e7490; --foam:#f0f9ff;
  --ink:#0f2b3d; --ink2:#4a6b82; --line:#d7eaf5; --card:#fff;
  --r:18px; --sh:0 6px 20px rgba(14,116,144,.10);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  color:var(--ink); background:var(--foam); padding-bottom:64px; min-height:100vh;
  background-image:radial-gradient(circle at 12% 8%,#e0f2fe 0,transparent 42%),radial-gradient(circle at 88% 4%,#ccfbf1 0,transparent 38%);
  background-attachment:fixed;
}
.wave-bg{position:fixed;inset:auto 0 0 0;height:180px;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,rgba(56,189,248,0) 0%,rgba(56,189,248,.16) 60%,rgba(56,189,248,.28) 100%);}

/* ---------- 顶栏 ---------- */
.headwrap{position:sticky;top:0;z-index:30;background:rgba(240,249,255,.93);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.topbar{
  padding:14px 20px 4px;
  display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;
}
.brand{display:flex;gap:12px;align-items:center;min-width:0}
.logo{width:52px;height:52px;flex:0 0 52px;border-radius:16px;overflow:hidden;background:linear-gradient(160deg,#38bdf8,#0e7490);
  box-shadow:0 4px 14px rgba(8,145,178,.35)}
.logo svg{width:100%;height:100%;display:block}
.brand-txt h1{margin:0;font-size:23px;letter-spacing:.5px;color:var(--deep)}
.brand-txt p{margin:3px 0 0;font-size:12.5px;color:var(--ink2)}
.tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.search{position:relative;display:flex;align-items:center}
.s-icon{position:absolute;left:11px;width:17px;height:17px;fill:none;stroke:var(--ink2);stroke-width:2;stroke-linecap:round}
.search input{
  width:230px;padding:10px 32px 10px 34px;border:1.5px solid var(--line);border-radius:999px;
  font-size:15px;background:#fff;color:var(--ink);outline:none;transition:.18s;
}
.search input:focus{border-color:var(--sea);box-shadow:0 0 0 4px rgba(14,165,233,.12)}
.clear-q{position:absolute;right:6px;width:22px;height:22px;border:0;border-radius:50%;background:#e2e8f0;color:#475569;
  font-size:15px;line-height:1;cursor:pointer}
#sort{
  padding:9px 12px;border:1.5px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);
  font-size:14px;outline:none;cursor:pointer
}
#sort:focus{border-color:var(--sea)}

/* ---------- 合集胶囊 ---------- */
.chips{
  display:flex;gap:9px;overflow-x:auto;padding:4px 20px 12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;border:1.5px solid var(--line);background:#fff;color:var(--ink2);
  padding:7px 15px;border-radius:999px;font-size:13.5px;cursor:pointer;white-space:nowrap;
  transition:.16s;font-family:inherit;
}
.chip:hover{border-color:#7dd3fc;color:var(--sea2)}
.chip.on{background:linear-gradient(135deg,#22d3ee,#0ea5e9);border-color:transparent;color:#fff;
  font-weight:600;box-shadow:0 4px 12px rgba(14,165,233,.32)}
.chip i{font-style:normal;opacity:.65;font-size:12px;margin-left:4px}

/* ---------- 主体 ---------- */
.wrap{max-width:1320px;margin:0 auto;padding:18px 20px 40px}
.resume{margin:2px 0 16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.resume-l{font-size:13px;color:var(--ink2)}
.resume-btn{border:0;cursor:pointer;background:linear-gradient(135deg,#22d3ee,#0ea5e9);color:#fff;font-size:14px;
  padding:9px 16px;border-radius:999px;box-shadow:0 4px 12px rgba(14,165,233,.35);max-width:640px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.stat{font-size:13.5px;color:var(--ink2);margin-bottom:14px}
.stat b{color:var(--sea2)}

.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(268px,1fr))}
.card{
  background:var(--card);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);cursor:pointer;
  border:1px solid var(--line);transition:transform .22s cubic-bezier(.2,.8,.3,1),box-shadow .22s;position:relative;
}
.card:hover,.card:focus-visible{transform:translateY(-5px);box-shadow:0 14px 30px rgba(14,116,144,.20);outline:none}
.thumb{position:relative;width:100%;aspect-ratio:16/10;background:linear-gradient(135deg,#e0f2fe,#cffafe);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .35s}
.thumb img.on{opacity:1}
.dur{position:absolute;right:9px;bottom:9px;background:rgba(8,47,73,.80);color:#fff;font-size:12px;
  padding:2.5px 7px;border-radius:6px;font-variant-numeric:tabular-nums}
.seen{position:absolute;left:9px;top:9px;background:rgba(16,185,129,.95);color:#fff;font-size:11.5px;
  padding:2.5px 8px;border-radius:999px;font-weight:600}
.play-badge{position:absolute;right:9px;top:9px;background:rgba(8,47,73,.80);color:#fff;font-size:11.5px;
  padding:2.5px 8px;border-radius:999px;font-variant-numeric:tabular-nums}
.body{padding:11px 13px 13px}
.title{font-size:14.5px;line-height:1.45;margin:0;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px}
.meta{margin-top:8px;font-size:12px;color:var(--ink2);display:flex;gap:10px}
.empty,.end{text-align:center;color:var(--ink2);padding:40px 0;font-size:15px}

/* ---------- 播放层 ---------- */
.player-wrap{position:fixed;inset:0;z-index:100;background:rgba(8,47,73,.72);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:16px}
.player-wrap[hidden]{display:none}
.player-box{width:min(1160px,100%);background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.35)}
.p-head{display:flex;align-items:center;gap:12px;padding:11px 14px;background:linear-gradient(135deg,#0ea5e9,#0891b2);color:#fff}
.x{width:34px;height:34px;flex:0 0 34px;border:0;border-radius:50%;background:rgba(255,255,255,.20);color:#fff;
  font-size:22px;line-height:1;cursor:pointer}
.p-title{font-size:16px;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.autoplay{font-size:13px;display:flex;align-items:center;gap:6px;cursor:pointer;user-select:none;white-space:nowrap}
.stage{position:relative;width:100%;aspect-ratio:16/9;background:#000}
.stage iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0;display:block}
.p-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 14px;
  background:#f8fbfe;border-top:1px solid var(--line);flex-wrap:nowrap}
.nav{border:1.5px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:9px 16px;
  font-size:14px;cursor:pointer;flex:0 0 auto;white-space:nowrap;font-family:inherit}
.nav:hover{border-color:var(--sea);color:var(--sea2)}
.nav.primary{background:linear-gradient(135deg,#22d3ee,#0ea5e9);border-color:transparent;color:#fff;font-weight:600}
.nav:disabled{opacity:.38;cursor:not-allowed}
.p-meta{font-size:12.5px;color:var(--ink2);text-align:center;flex:1 1 auto;min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.parent-hint{position:fixed;left:0;right:0;bottom:0;text-align:center;font-size:12px;color:#7d97a8;
  padding:9px 12px;background:rgba(240,249,255,.9);border-top:1px solid var(--line)}

@media (max-width:640px){
  .topbar{padding:11px 13px 10px}
  .brand-txt h1{font-size:19px}
  .logo{width:44px;height:44px;flex:0 0 44px}
  .search input{width:100%}
  .search{flex:1;min-width:150px}
  .wrap{padding:14px 13px 30px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .title{font-size:13.5px;min-height:38px}
  .p-title{font-size:14px}
  .nav{padding:8px 12px;font-size:13px}
  .autoplay span{display:none}
}