/* PianTube — 暗黑影院质感 · 香槟金 / 猩红 */
:root{
  --bg:#0a0a0c; --bg2:#101014; --surface:#16161b; --line:#24242c;
  --ink:#ececf1; --ink2:#9a9aa6; --ink3:#6a6a76;
  --gold:#e0b062; --gold2:#c9963f; --crimson:#c0392b;
  --r:14px; --wrap:1240px;
  --f:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 18px}

/* ── 头部 ── */
.hd{position:sticky;top:0;z-index:60;background:rgba(10,10,12,.82);
  backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:18px;height:62px}
.logo{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.logo b{font-size:17px;letter-spacing:.4px;background:linear-gradient(100deg,#f2d19a,var(--gold) 55%,var(--crimson));
  -webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:7px 11px;border-radius:9px;color:var(--ink2);font-size:13.5px;white-space:nowrap;transition:.16s}
.nav a:hover{color:var(--ink);background:#1c1c22}
.srch{display:flex;align-items:center;background:#17171d;border:1px solid var(--line);border-radius:11px;
  padding:0 4px 0 12px;height:38px;flex:0 0 auto;min-width:190px}
.srch input{background:none;border:0;outline:0;color:var(--ink);font-size:13.5px;width:100%;font-family:var(--f)}
.srch input::placeholder{color:var(--ink3)}
.srch button{background:none;border:0;color:var(--ink2);padding:8px;cursor:pointer;display:flex}
.srch button:hover{color:var(--gold)}
.langs{display:flex;gap:3px;flex:0 0 auto}
.langs a{font-size:12px;color:var(--ink3);padding:5px 8px;border-radius:7px;transition:.15s}
.langs a.on{color:var(--gold);background:#1e1a13}
.langs a:hover{color:var(--ink)}

/* ── 首屏 ── */
.hero{padding:38px 0 26px;border-bottom:1px solid var(--line);margin-bottom:26px}
.hero h1{margin:0 0 12px;font-size:clamp(26px,4.6vw,42px);font-weight:800;letter-spacing:-.5px;line-height:1.15;
  background:linear-gradient(100deg,#fff 15%,#f0cf9b 55%,#d0604f);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:0 0 18px;color:var(--ink2);font-size:14.5px;max-width:640px;line-height:1.75}
.hero-cats{display:flex;flex-wrap:wrap;gap:8px}
.hero-cats a{font-size:13px;padding:6px 13px;border:1px solid var(--line);border-radius:999px;color:var(--ink2);transition:.16s}
.hero-cats a:hover{border-color:var(--gold2);color:var(--gold);background:#1a1712}

.sec{margin:30px 0 46px}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px}
.sec-h h2{margin:0;font-size:18px;font-weight:700;letter-spacing:.2px}
.sec-h h2::before{content:"";display:inline-block;width:3px;height:15px;background:var(--gold);
  margin-right:9px;vertical-align:-2px;border-radius:2px}
.more{font-size:13px;color:var(--ink2)}
.more:hover{color:var(--gold)}

/* ── 网格卡片 ── */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:16px 13px}
.card{display:block;min-width:0}
.thumb{position:relative;aspect-ratio:2/3;border-radius:var(--r);overflow:hidden;background:
  linear-gradient(110deg,#17171d 25%,#1f1f27 37%,#17171d 63%);background-size:400% 100%;
  animation:sh 1.4s ease infinite;box-shadow:0 2px 10px rgba(0,0,0,.35)}
@keyframes sh{0%{background-position:100% 0}100%{background-position:-100% 0}}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .38s cubic-bezier(.2,.7,.3,1),opacity .3s;opacity:0}
.thumb img[src]{opacity:1}
.card:hover .thumb img{transform:scale(1.055)}
.badge{position:absolute;left:7px;top:7px;font-size:10.5px;font-weight:700;letter-spacing:.3px;
  padding:2px 6px;border-radius:5px;background:rgba(10,10,12,.78);color:var(--gold);backdrop-filter:blur(4px)}
.dur{position:absolute;right:6px;bottom:6px;font-size:10.5px;padding:1px 6px;border-radius:5px;
  background:rgba(10,10,12,.8);color:#e8e8ee;max-width:76%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pv{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;
  opacity:0;transition:.2s;background:radial-gradient(circle at 50% 50%,rgba(192,57,43,.34),rgba(0,0,0,.42))}
.pv svg{filter:drop-shadow(0 2px 8px rgba(0,0,0,.6))}
.card:hover .pv{opacity:1}
.cname{margin-top:8px;font-size:13px;line-height:1.42;color:#dcdce4;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.card:hover .cname{color:var(--gold)}
.csub{margin-top:4px;font-size:11.5px;color:var(--ink3);display:flex;gap:5px;overflow:hidden;white-space:nowrap}
.csub i{font-style:normal;opacity:.5}

/* ── 分页 ── */
.pager{display:flex;gap:6px;justify-content:center;align-items:center;margin:34px 0 10px;flex-wrap:wrap}
.pager a,.pager b,.pager .off{min-width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  padding:0 12px;border-radius:10px;border:1px solid var(--line);font-size:13.5px;color:var(--ink2);transition:.16s}
.pager a:hover{border-color:var(--gold2);color:var(--gold)}
.pager b{background:var(--gold);border-color:var(--gold);color:#191307;font-weight:700}
.pager .off{opacity:.3}

/* ── 面包屑 / 标题 ── */
.crumb{display:flex;gap:7px;align-items:center;font-size:12.5px;color:var(--ink3);padding:18px 0 4px;flex-wrap:wrap}
.crumb a:hover{color:var(--gold)}
.crumb i{font-style:normal;opacity:.4}
.crumb span{color:var(--ink2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-h{font-size:clamp(21px,3.4vw,28px);margin:10px 0 6px;font-weight:800;letter-spacing:-.3px}
.page-sub{color:var(--ink3);font-size:13px;margin:0 0 22px}

/* ── 播放页 ── */
.watch{padding-top:6px}
.player{position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--r);overflow:hidden;
  box-shadow:0 18px 50px rgba(0,0,0,.6);max-height:72vh;margin:0 auto}
.player video{width:100%;height:100%;display:block;background:#000;object-fit:contain}
.player-fb{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:rgba(8,8,10,.93);color:var(--ink2);font-size:14px;text-align:center;padding:20px}
.fb-btns{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.fb-btns button,.fb-btns a{background:var(--gold);color:#191307;border:0;padding:9px 20px;border-radius:9px;
  font-size:13.5px;font-weight:700;cursor:pointer;font-family:var(--f)}
.fb-btns a{background:#23232b;color:var(--ink)}
.v-title{font-size:clamp(17px,2.6vw,23px);margin:18px 0 10px;line-height:1.4;font-weight:700;letter-spacing:-.2px}
.v-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12.5px;color:var(--ink2);padding-bottom:16px;
  border-bottom:1px solid var(--line)}
.v-meta b{color:var(--ink3);font-weight:400;margin-right:5px}
.eps-box{margin:16px 0 6px}
.lines{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:11px}
.lines .ln{background:#17171d;border:1px solid var(--line);color:var(--ink2);padding:6px 14px;
  border-radius:9px;font-size:12.5px;cursor:pointer;font-family:var(--f);transition:.16s}
.lines .ln.on{border-color:var(--gold2);color:var(--gold);background:#1c1810}
.eps{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px;max-height:218px;overflow-y:auto;
  padding:4px;scrollbar-width:thin}
.eps .ep{background:#17171d;border:1px solid var(--line);color:var(--ink2);padding:8px 6px;border-radius:8px;
  font-size:12px;cursor:pointer;font-family:var(--f);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:.15s}
.eps .ep:hover{border-color:#3a3a46;color:var(--ink)}
.eps .ep.on{background:var(--crimson);border-color:var(--crimson);color:#fff;font-weight:600}
.v-desc{margin:22px 0 8px;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.v-desc h2{font-size:14px;margin:0 0 9px;color:var(--gold);font-weight:700}
.v-desc p{margin:0;font-size:13.5px;line-height:1.85;color:var(--ink2);word-break:break-word}

/* ── 空状态 ── */
.empty{text-align:center;padding:80px 20px;color:var(--ink2)}
.empty h1{font-size:52px;margin:0 0 10px;color:var(--line)}
.empty p{font-size:15px;margin:0 0 6px}
.empty small{color:var(--ink3);font-size:13px;display:block}
.btn{display:inline-block;margin-top:20px;padding:10px 24px;border-radius:10px;background:var(--gold);color:#191307;font-weight:700;font-size:13.5px}

/* ── 页脚 ── */
.ft{border-top:1px solid var(--line);margin-top:40px;background:var(--bg2);padding:34px 0 22px}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}
.ft-brand{font-size:16px;font-weight:800;margin-bottom:10px;
  background:linear-gradient(100deg,var(--gold),#e8a898);-webkit-background-clip:text;background-clip:text;color:transparent}
.ft-note{margin:0;font-size:12.5px;line-height:1.8;color:var(--ink3);max-width:400px}
.ft-h{font-size:12.5px;color:var(--ink3);margin-bottom:10px;letter-spacing:.5px}
.ft ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.ft ul a{font-size:13px;color:var(--ink2)}
.ft ul a:hover{color:var(--gold)}
.ft-bar{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:26px;padding-top:16px;
  border-top:1px solid var(--line);font-size:11.5px;color:var(--ink3)}

/* ── 响应式 ── */
@media (max-width:1000px){
  .nav{display:none}
  .srch{flex:1;min-width:0}
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:14.5px}
  .wrap{padding:0 13px}
  .hd-in{height:56px;gap:10px}
  .logo b{display:none}
  .langs a{padding:5px 6px;font-size:11.5px}
  .hero{padding:26px 0 20px;margin-bottom:20px}
  .grid{grid-template-columns:repeat(2,1fr);gap:14px 10px}
  .cname{font-size:12.5px}
  .sec{margin:24px 0 34px}
  .ft-grid{grid-template-columns:1fr;gap:22px}
  .player{border-radius:10px;max-height:52vh}
  .eps{grid-template-columns:repeat(auto-fill,minmax(76px,1fr));max-height:180px}
  .v-title{margin-top:14px}
  .pager a,.pager b,.pager .off{min-width:34px;height:34px;font-size:12.5px;padding:0 9px}
}
@media (max-width:380px){ .grid{grid-template-columns:repeat(2,1fr);gap:12px 8px} }