:root{
  --pink:#FB7299; --pink-l:#FFECF1; --blue:#00AEEC; --blue-d:#00A1D6; --blue-l:#DFF6FD;
  --text1:#18191C; --text2:#61666D; --text3:#9499A0; --line:#E3E5E7; --bg2:#F1F2F3; --bg3:#F6F7F8;
  --zhihu:#0066FF; --xhs:#FF2442;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"PingFang SC",HarmonyOS_Regular,"Helvetica Neue","Microsoft YaHei",sans-serif;color:var(--text1);background:#fff;font-size:14px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
img{display:block}
svg{display:block}

/* ---------- header ---------- */
.hd{position:sticky;top:0;z-index:50;height:64px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:24px;box-shadow:0 2px 4px rgba(0,0,0,.08)}
.hd-left{display:flex;align-items:center;gap:28px;min-width:0}
.hd-nav{display:flex;gap:20px;font-size:15px;white-space:nowrap}
.hd-nav a:hover,.hd-nav a.on{color:var(--pink)}
.logo{display:flex;align-items:center;gap:6px;color:var(--blue);flex-shrink:0}
.logo-text{font-size:26px;font-weight:800;letter-spacing:-.5px;color:var(--pink);font-family:"Avenir Next","Helvetica Neue","PingFang SC",sans-serif}
.search{flex:0 1 500px;display:flex;align-items:center;height:40px;background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:0 4px 0 12px;transition:.2s}
.search:focus-within{background:#fff;box-shadow:0 0 0 1px var(--line)}
.search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--text1);min-width:0}
.search button{width:32px;height:32px;border:0;border-radius:6px;background:transparent;color:var(--text1);display:flex;align-items:center;justify-content:center}
.search button:hover{background:var(--line)}
.search button svg{width:18px;height:18px}
.hd-right{display:flex;align-items:center;gap:18px;flex-shrink:0}
.hd-icon{display:flex;flex-direction:column;align-items:center;font-size:12px;color:var(--text1);position:relative}
.hd-icon svg{width:22px;height:22px;margin-bottom:2px}
.hd-icon:hover{color:var(--blue)}
.later-count{position:absolute;top:-4px;right:2px;background:var(--pink);color:#fff;font-style:normal;font-size:10px;line-height:14px;padding:0 4px;border-radius:7px}
.later-count:empty{display:none}

/* ---------- home ---------- */
.home{max-width:2200px;margin:0 auto;padding:20px 64px 40px}
.channels{display:flex;gap:24px;align-items:flex-start;margin-top:24px;margin-bottom:24px}
.ch-main{display:flex;gap:16px;flex-shrink:0}
.ch-big{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;color:var(--text2);cursor:pointer;width:52px}
.ch-big i{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}
.ch-big i svg{width:24px;height:24px}
.ch-big.rec i{background:#FF6699}
.ch-big.fresh i{background:#FF9212}
.ch-big.on{color:var(--text1);font-weight:600}
.ch-big:hover{color:var(--blue)}
.ch-divider{width:1px;height:62px;background:var(--line);flex-shrink:0}
.ch-grid{flex:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:12px 11px}
.ch-chip{height:30px;line-height:30px;border-radius:6px;background:var(--bg3);border:1px solid var(--bg2);color:var(--text2);font-size:14px;text-align:center;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 6px}
.ch-chip small{color:var(--text3);font-size:11px;margin-left:3px}
.ch-chip:hover{background:var(--line);color:var(--text1)}
.ch-chip.on{background:var(--blue-l);border-color:var(--blue-l);color:var(--blue)}
.ch-chip.on small{color:var(--blue)}
.ch-chip.ai{color:var(--pink);background:var(--pink-l);border-color:var(--pink-l)}
.ch-chip.ai.on{background:var(--pink);color:#fff;border-color:var(--pink)}
.ch-chip.ai.on small{color:#fff}

.feed-head{display:flex;align-items:baseline;gap:12px;margin:0 0 16px}
.feed-head h2{margin:0;font-size:20px;font-weight:600}
.feed-head span{color:var(--text3);font-size:13px}
.feed-head a.clear{color:var(--blue);font-size:13px}

.grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:40px 20px}
@media (max-width:1560px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:1140px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.home{padding:20px 32px}}
@media (max-width:820px){.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 12px}.home{padding:16px}.hd-nav,.hd-icon span{display:none}.channels{flex-direction:column;gap:14px}.ch-grid{width:100%;grid-template-columns:repeat(auto-fill,minmax(76px,1fr))}.logo-text{font-size:26px;font-weight:800;letter-spacing:-.5px;color:var(--pink);font-family:"Avenir Next","Helvetica Neue","PingFang SC",sans-serif}.hd{padding:0 12px;gap:12px}.hd-right{gap:10px}.ch-divider{display:none}}

.card{min-width:0}
.cover{position:relative;display:block;width:100%;aspect-ratio:16/10;border-radius:6px;overflow:hidden;background:var(--bg2)}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover .cover img{transform:scale(1.04)}
.cover-mask{position:absolute;left:0;right:0;bottom:0;height:38px;background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.8));display:flex;align-items:flex-end;justify-content:space-between;padding:0 8px 6px;color:#fff;font-size:13px}
.cover-stats{display:flex;gap:12px;align-items:center}
.cover-stats span{display:flex;align-items:center;gap:3px}
.cover-stats svg{width:16px;height:16px}
.later-btn{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:6px;background:rgba(0,0,0,.6);color:#fff;display:none;align-items:center;justify-content:center;border:0;padding:0}
.later-btn svg{width:18px;height:18px}
.later-btn.on{background:var(--blue)}
.card:hover .later-btn,.later-btn.on{display:flex}
.card-info{padding-top:10px}
.card-title{font-size:15px;line-height:22px;height:44px;font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-all}
.card-title:hover{color:var(--blue)}
.card-meta{margin-top:4px;display:flex;align-items:center;gap:4px;color:var(--text3);font-size:13px;line-height:18px;min-width:0}
.card-meta .up{display:flex;align-items:center;gap:4px;min-width:0;overflow:hidden}
.card-meta .up:hover{color:var(--blue)}
.card-meta .up span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-meta .date{white-space:nowrap;flex-shrink:0}
.up-ico{width:17px;height:13px;flex-shrink:0}
.badge-rec{flex-shrink:0;font-size:12px;line-height:16px;padding:0 4px;border-radius:3px;color:#FF7F24;background:#FFF0E3}
.badge-rec.hot{color:var(--pink);background:var(--pink-l)}
.badge-fresh{flex-shrink:0;font-size:12px;line-height:16px;padding:0 4px;border-radius:3px;color:var(--text3);border:1px solid var(--line)}

.more-wrap{text-align:center;padding:32px 0 8px}
.more-btn{border:1px solid var(--line);background:#fff;border-radius:8px;height:40px;padding:0 48px;color:var(--text2);font-size:14px}
.more-btn:hover{background:var(--bg2)}
.end-tip{color:var(--text3);font-size:13px}
.empty{padding:80px 0;text-align:center;color:var(--text3)}
.loading{padding:120px 0;text-align:center;color:var(--text3)}

/* ---------- video page ---------- */
.vp{display:flex;justify-content:center;gap:30px;padding:24px 24px 60px;max-width:1500px;margin:0 auto}
.vp-left{flex:1;min-width:0;max-width:1100px}
.vp-right{width:350px;flex-shrink:0}
@media (max-width:1000px){.vp{flex-direction:column}.vp-right{width:auto}}
.v-title{font-size:20px;line-height:28px;font-weight:500;margin:0 0 6px}
.v-meta{display:flex;align-items:center;gap:16px;color:var(--text3);font-size:13px;margin-bottom:16px;flex-wrap:wrap}
.v-meta span{display:flex;align-items:center;gap:4px}
.v-meta svg{width:18px;height:18px}
.player{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:2px;overflow:hidden}
.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.toolbar{display:flex;align-items:center;gap:6px;padding:16px 0 12px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tb{display:flex;align-items:center;gap:8px;color:var(--text2);font-size:13px;font-weight:500;padding:0 14px 0 0;background:none;border:0;min-width:92px}
.tb svg{width:36px;height:36px;color:var(--text2);transition:color .2s}
.tb:hover,.tb:hover svg{color:var(--blue)}
.tb.on,.tb.on svg{color:var(--blue)}
.tb-right{margin-left:auto;display:flex;gap:12px;align-items:center}
.open-bili{display:flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:6px;background:var(--blue);color:#fff;font-size:13px}
.open-bili:hover{background:#40C5F1}

.hb-card{margin-top:16px;padding:16px 18px;border-radius:8px;background:var(--bg3);border:1px solid var(--bg2)}
.hb-stat{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:15px}
.hb-stat b{color:var(--pink);font-size:18px}
.hb-stat .sep{color:var(--text3)}
.src{display:inline-flex;align-items:center;height:20px;padding:0 7px;border-radius:4px;font-size:12px;color:#fff;font-weight:500}
.src.zhihu{background:var(--zhihu)}
.src.xhs{background:var(--xhs)}
.src.fresh{background:#FF9212}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{height:28px;line-height:28px;padding:0 12px;border-radius:14px;background:#fff;color:var(--text2);font-size:13px;border:1px solid var(--line)}
.tag:hover{color:var(--blue);border-color:var(--blue)}
.tag.zone{color:var(--blue);background:var(--blue-l);border-color:var(--blue-l)}
.desc{margin-top:12px;font-size:14px;line-height:22px;color:var(--text1);white-space:pre-wrap;word-break:break-all;overflow:hidden}
.desc.fold{max-height:66px}
.desc-toggle{margin-top:6px;color:var(--text2);font-size:13px;background:none;border:0;padding:0}
.desc-toggle:hover{color:var(--blue)}

/* comments (B站 评论区) */
.cmt{margin-top:28px}
.cmt-head{display:flex;align-items:center;gap:24px;margin-bottom:22px}
.cmt-head h3{margin:0;font-size:20px;font-weight:500;display:flex;align-items:baseline;gap:6px}
.cmt-head h3 small{font-size:13px;color:var(--text3);font-weight:400}
.cmt-sort{display:flex;align-items:center;gap:6px;color:var(--text3);font-size:15px}
.cmt-sort button{background:none;border:0;padding:0;color:var(--text3);font-size:15px}
.cmt-sort button.on{color:var(--text1)}
.cmt-sort i{width:1px;height:11px;background:var(--text3);display:inline-block;margin:0 6px}
.cmt-filter{margin-left:auto;display:flex;gap:6px}
.cmt-filter button{border:1px solid var(--line);background:#fff;border-radius:14px;height:26px;padding:0 10px;font-size:12px;color:var(--text2)}
.cmt-filter button.on{border-color:var(--blue);color:var(--blue);background:var(--blue-l)}
.reply{display:flex;gap:0;padding:0}
.reply-avatar{width:80px;flex-shrink:0;display:flex;justify-content:center;padding-top:2px}
.lavatar{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:600;position:relative}
.lavatar .plat{position:absolute;right:-2px;bottom:-2px;width:18px;height:18px;border-radius:50%;border:2px solid #fff;font-size:10px;line-height:14px;text-align:center;font-weight:700}
.reply-main{flex:1;min-width:0;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:18px}
.reply-user{display:flex;align-items:center;gap:6px;font-size:13px;margin-bottom:6px;flex-wrap:wrap}
.reply-user .name{color:var(--text2);font-weight:500}
.reply-user .name.zh{color:#FB7299}
.ctx{font-size:12px;color:var(--text3);margin-bottom:6px;line-height:18px}
.ctx b{color:var(--text2);font-weight:400}
.reply-text{font-size:15px;line-height:24px;word-break:break-word;white-space:pre-wrap}
.reply-text .muted{color:var(--text3);font-size:14px}
.vchip{display:inline-flex;align-items:center;gap:2px;color:var(--blue);background:var(--blue-l);border-radius:4px;padding:0 6px;margin:0 2px;font-size:14px;line-height:22px;cursor:pointer;white-space:nowrap}
.vchip:hover{background:#C9EEFB}
.vchip.up{color:var(--pink);background:var(--pink-l)}
.lchip{display:inline-block;color:var(--text3);background:var(--bg2);border-radius:3px;padding:0 4px;font-size:12px;line-height:18px;margin:0 2px}
.reply-foot{display:flex;align-items:center;gap:18px;margin-top:8px;color:var(--text3);font-size:13px;flex-wrap:wrap}
.reply-foot span{display:flex;align-items:center;gap:4px}
.reply-foot svg{width:16px;height:16px}
.reply-foot a:hover{color:var(--blue)}
.stance{font-size:12px;line-height:18px;padding:0 6px;border-radius:3px}
.stance.strong{color:#fff;background:var(--pink)}
.stance.normal{color:var(--blue);border:1px solid var(--blue);line-height:16px}
.target-up{font-size:12px;line-height:16px;padding:0 6px;border-radius:3px;color:#FF7F24;border:1px solid #FFB27F}
.fresh-note{margin-top:28px;padding:20px 22px;border-radius:8px;background:#FFF7EE;border:1px solid #FFE3C2;color:var(--text2);line-height:24px;font-size:14px}
.fresh-note h3{margin:0 0 6px;font-size:16px;color:#FF7F24;font-weight:600}

/* right column */
.up-card{display:flex;gap:12px;align-items:flex-start;padding-bottom:20px}
.up-card .av{width:48px;height:48px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--bg2)}
.up-card .av img{width:100%;height:100%}
.up-card .info{flex:1;min-width:0}
.up-card .uname{color:var(--pink);font-size:15px;font-weight:500;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.up-card .usub{color:var(--text3);font-size:12px;margin:4px 0 8px;line-height:18px}
.follow{display:flex;align-items:center;justify-content:center;gap:4px;height:30px;border-radius:6px;background:var(--blue);color:#fff;font-size:14px;width:100%}
.follow:hover{background:#40C5F1}
.rel-title{font-size:15px;font-weight:500;margin:10px 0 12px;display:flex;justify-content:space-between;align-items:baseline}
.rel-title small{color:var(--text3);font-weight:400;font-size:12px}
.rel{display:flex;gap:10px;margin-bottom:12px}
.rel .cover{width:141px;height:80px;flex-shrink:0;aspect-ratio:auto}
.rel .cover-mask{height:26px;font-size:12px;padding:0 4px 3px;justify-content:flex-end}
.rel-info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:space-between}
.rel-info .t{font-size:14px;line-height:20px;font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-all}
.rel-info .t:hover{color:var(--blue)}
.rel-info .m{color:var(--text3);font-size:12px;line-height:17px}
.rel-info .m div{display:flex;align-items:center;gap:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rel-info .m svg{width:14px;height:14px;flex-shrink:0}

/* about */
.about{max-width:760px;margin:40px auto;padding:0 24px;line-height:26px;color:var(--text2)}
.about h2{color:var(--text1)}
.about b{color:var(--text1)}

.img-fallback{background:linear-gradient(135deg,#F1F2F3,#E3E5E7)}

.ft{max-width:1400px;margin:40px auto 24px;padding:16px 24px;border-top:1px solid var(--line,#e3e5e7);color:var(--text3,#9499a0);font-size:12px;line-height:1.8}
.ft a{color:var(--blue)}

/* 播放器封面 + 清晰度 + 选集 */
.player-cover{position:absolute;inset:0;width:100%;height:100%;border:0;padding:0;cursor:pointer;background:#000;display:block}
.player-cover img{width:100%;height:100%;object-fit:cover;opacity:.85}
.player-cover:hover img{opacity:1}
.play-big{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;color:#fff}
.play-big svg{width:34px;height:34px;margin-left:4px}
.player-cover:hover .play-big{background:var(--pink)}
.play-hint{position:absolute;left:50%;top:calc(50% + 50px);transform:translateX(-50%);color:#fff;font-size:13px;text-shadow:0 1px 3px rgba(0,0,0,.6)}
.quality{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:10px 0 2px;font-size:13px;color:var(--text2,#61666d)}
.q-label{color:var(--text3,#9499a0)}
.q{border:1px solid var(--line,#e3e5e7);border-radius:6px;padding:2px 10px;background:#fff}
.q small{margin-left:4px;color:var(--pink)}
.q.on{border-color:var(--blue);color:var(--blue)}
.q.lock{color:var(--text3,#9499a0);background:#f6f7f8}
.q.lock::after{content:" B站";font-size:11px}
.q-note{color:var(--text3,#9499a0);font-size:12px}
.q-go{margin-left:auto;color:var(--blue)}
.episodes{background:#f6f7f8;border-radius:8px;padding:12px;margin-bottom:16px}
.ep-head{font-weight:600;margin-bottom:8px}.ep-head small{color:var(--text3,#9499a0);font-weight:400}
.ep-list{max-height:300px;overflow-y:auto;display:flex;flex-direction:column;gap:2px}
.ep{display:flex;gap:8px;align-items:center;border:0;background:none;text-align:left;padding:6px 8px;border-radius:6px;cursor:pointer;font-size:13px;color:var(--text1,#18191c)}
.ep:hover{background:#fff}.ep.on{background:#fff;color:var(--blue)}
.ep-n{color:var(--text3,#9499a0);min-width:34px}.ep.on .ep-n{color:var(--blue)}
.ep-t{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.ep-d{color:var(--text3,#9499a0);font-size:12px}
.card-quote{margin:4px 0 2px;font-size:12.5px;line-height:1.5;color:var(--text2,#61666d);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}