/* ============================================================
   MD12 · 民间定数研究所
   Neutral dark system · pink/violet as accent only
   ============================================================ */

:root{
  --bg:        #08080b;
  --bg-2:      #0b0b0f;
  --panel:     #0e0e13;
  --panel-2:   #121218;
  --panel-3:   #17171e;

  --line:      rgba(255,255,255,.08);
  --line-2:    rgba(255,255,255,.055);
  --line-3:    rgba(255,255,255,.14);

  --txt:       #f4f4f6;
  --dim:       rgba(255,255,255,.56);
  --dim-2:     rgba(255,255,255,.34);

  --pink:      #ec4899;
  --violet:    #8b5cf6;
  --grad:      linear-gradient(135deg,#8b5cf6,#ec4899);
  --accent-soft: rgba(236,72,153,.1);
  --up:        #f472b6;
  --down:      #a78bfa;

  --shell:     1360px;
  --duel:      940px;
  --pad:       clamp(16px,3vw,40px);

  --r-lg: 18px;
  --r-md: 14px;
  --r-sm: 10px;

  --ff: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei",
        -apple-system,"Segoe UI",system-ui,sans-serif;
  --ff-num: "DIN Alternate","Bahnschrift","Segoe UI Variable","Segoe UI",var(--ff);
}

*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
html{scroll-behavior:smooth}

body{
  font-family:var(--ff);
  background:var(--bg);
  color:var(--txt);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  letter-spacing:.008em;
}

img{display:block;max-width:100%}
button{font-family:inherit;color:inherit;border:0;background:none;cursor:pointer}
a{color:inherit;text-decoration:none}

/* ---------------- 背景 ---------------- */
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-fx .bg-glow{
  position:absolute;left:50%;top:-460px;width:1180px;height:820px;
  margin-left:-590px;border-radius:50%;
  background:
    radial-gradient(closest-side,rgba(139,92,246,.20),rgba(139,92,246,.05) 55%,transparent 78%),
    radial-gradient(closest-side at 66% 62%,rgba(236,72,153,.13),transparent 62%);
  filter:blur(30px);
}

/* ---------------- 顶栏 ----------------
   这里原来挂 backdrop-filter:blur(16px)：整页滚动时它每帧都要重新采样背后画面做模糊，
   是"往下滑一卡一卡"的主要来源。背景本来就是深色，模糊几乎看不出来，改成高不透明实色。 */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(9,9,12,.94);
  border-bottom:1px solid var(--line-2);
}
.topbar-inner{
  max-width:var(--shell);margin:0 auto;padding:0 var(--pad);
  height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}

.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  font-family:var(--ff-num);font-weight:700;font-size:10.5px;letter-spacing:-.01em;
  white-space:nowrap;color:#fff;background:var(--grad);
  box-shadow:0 4px 14px -6px rgba(236,72,153,.65);
}
.brand-mark span{opacity:.72}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:14px;font-weight:600;letter-spacing:.01em}
.brand-text em{
  font-style:normal;font-size:9.5px;color:var(--dim-2);
  letter-spacing:.16em;text-transform:uppercase;
}

.topbar-right{display:flex;align-items:center;gap:0}
.mini-stat{
  display:flex;align-items:baseline;gap:7px;
  padding:0 20px;border-right:1px solid var(--line-2);
  white-space:nowrap;
}
.mini-stat:first-child{padding-left:0}
.mini-stat span{
  font-family:var(--ff-num);font-size:15px;font-weight:600;letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
}
.mini-stat span i{font-style:normal;font-size:10.5px;color:var(--dim-2);font-weight:400}
.mini-stat em{font-style:normal;font-size:10.5px;color:var(--dim-2);letter-spacing:.04em}

.ghost-btn{
  margin-left:20px;font-size:12px;color:var(--dim);
  padding:7px 13px;border-radius:8px;white-space:nowrap;
  border:1px solid var(--line);transition:.2s;
}
.ghost-btn:hover{color:var(--txt);border-color:var(--line-3);background:rgba(255,255,255,.04)}

.top-actions{display:flex;align-items:center;gap:6px;margin-left:20px}
.top-actions .ghost-btn{margin-left:0;font-size:11.5px;padding:6px 11px}
.ghost-btn.danger:hover{color:#fda4af;border-color:rgba(244,63,94,.42);background:rgba(244,63,94,.08)}

/* 游客端（对外发布的链接）：导入 / 导出 / 重置 是本机数据工具，
   给访客看只会误触，整组收起来，顶栏也更干净 */
body.is-guest .top-actions{display:none}

/* ---------------- 顶栏音乐播放器 ---------------- */
.player{
  position:relative;display:flex;align-items:center;gap:9px;
  margin-right:18px;padding:4px 6px 4px 4px;
  border-radius:10px;overflow:hidden;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-2);
  transition:.22s;
}
.player:hover{background:rgba(255,255,255,.06);border-color:var(--line)}
/* 底部是一条跟着走的播放进度 */
.player::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;
  width:var(--prog,0%);background:var(--grad);
  transition:width .2s linear;
}

/* 会滚动的曲绘 */
.pl-cover{
  position:relative;width:72px;height:36px;flex-shrink:0;
  border-radius:7px;overflow:hidden;
  background:#f2d200;cursor:pointer;
}
.pl-strip{
  position:absolute;top:0;left:0;height:100%;width:200%;
  background-image:url(assets/bgm/cover.svg);
  background-repeat:repeat-x;background-size:50% 100%;
  animation:plScroll 14s linear infinite;
  animation-play-state:paused;
}
@keyframes plScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.player[data-playing="true"] .pl-strip{animation-play-state:running}
.pl-cover:hover .pl-strip{filter:brightness(1.06)}

.pl-body{min-width:0;display:flex;flex-direction:column;gap:1px;line-height:1.28}
.pl-title{
  font-size:11px;font-weight:600;letter-spacing:.01em;color:var(--txt);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:126px;
}
.pl-sub{
  font-size:9px;color:var(--dim-2);letter-spacing:.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:126px;
}

.pl-btn{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;
  color:rgba(255,255,255,.8);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  transition:.18s;
}
.pl-btn:hover{color:#fff;border-color:var(--line-3);background:rgba(255,255,255,.1)}
.pl-btn:active{transform:scale(.94)}
.pl-btn svg{width:13px;height:13px;fill:currentColor}
.pl-i-pause{display:none}
.player[data-playing="true"] .pl-i-play{display:none}
.player[data-playing="true"] .pl-i-pause{display:block}
.player[data-playing="true"] .pl-btn{color:#fff;border-color:rgba(236,72,153,.45);background:rgba(236,72,153,.14)}

/* ---------------- 音量 ---------------- */
/* 播放器设了 overflow:hidden，弹出层不能挂在里面，所以音量单独成组、与胶囊并排 */
.pl-group{display:flex;align-items:center;gap:6px;margin-right:20px}
.pl-group .player{margin-right:0}

.pl-vol{position:relative;display:flex;align-items:center}
.pl-vbtn{color:var(--dim)}
.pl-vol.is-open .pl-vbtn,
.pl-vbtn:hover{color:#fff;border-color:var(--line-3);background:rgba(255,255,255,.1)}
.pl-vol.is-mute .pl-vbtn{color:rgba(255,255,255,.4)}
/* 喇叭波纹随音量增减 */
.pl-i-vol .v-w1,.pl-i-vol .v-w2{transition:opacity .2s}
.pl-vol.is-low .v-w2{opacity:0}
.pl-vol.is-mute .v-w1,.pl-vol.is-mute .v-w2{opacity:0}
.pl-i-vol .v-mute{opacity:0;transition:opacity .2s}
.pl-vol.is-mute .v-mute{opacity:1}

.pl-vol-pop{
  position:absolute;right:-1px;top:calc(100% + 20px);z-index:70;
  display:flex;align-items:center;gap:9px;
  padding:9px 12px;border-radius:12px;
  background:rgba(18,18,24,.97);
  border:1px solid var(--line-2);
  box-shadow:0 20px 44px -20px rgba(0,0,0,.92),0 0 0 1px rgba(255,255,255,.02) inset;
  opacity:0;pointer-events:none;
  transform:translateY(-7px) scale(.98);transform-origin:top right;
  transition:opacity .17s ease,transform .22s cubic-bezier(.2,.9,.2,1);
}
.pl-vol.is-open .pl-vol-pop{opacity:1;pointer-events:auto;transform:none}

.pl-range{
  -webkit-appearance:none;appearance:none;
  width:104px;height:14px;background:transparent;cursor:pointer;
}
.pl-range::-webkit-slider-runnable-track{
  height:4px;border-radius:2px;
  background:
    linear-gradient(90deg,var(--violet),var(--pink)) 0 0/var(--v,45%) 100% no-repeat,
    rgba(255,255,255,.13);
}
.pl-range::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;
  width:12px;height:12px;margin-top:-4px;border-radius:50%;
  background:#fff;
  box-shadow:0 0 0 3px rgba(236,72,153,.22),0 2px 7px rgba(0,0,0,.55);
  transition:box-shadow .18s,transform .18s;
}
.pl-range:hover::-webkit-slider-thumb{transform:scale(1.14);box-shadow:0 0 0 4px rgba(236,72,153,.28),0 2px 7px rgba(0,0,0,.55)}
.pl-range:active::-webkit-slider-thumb{transform:scale(1.05)}
.pl-range::-moz-range-track{height:4px;border-radius:2px;background:rgba(255,255,255,.13)}
.pl-range::-moz-range-progress{height:4px;border-radius:2px;background:linear-gradient(90deg,var(--violet),var(--pink))}
.pl-range::-moz-range-thumb{
  width:12px;height:12px;border:0;border-radius:50%;background:#fff;
  box-shadow:0 0 0 3px rgba(236,72,153,.22),0 2px 7px rgba(0,0,0,.55);
}
.pl-range:focus-visible{outline:none}
.pl-range:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 4px rgba(236,72,153,.42),0 2px 7px rgba(0,0,0,.55)}

.pl-vol-val{
  min-width:22px;text-align:right;
  font-family:var(--ff-num);font-size:10px;font-variant-numeric:tabular-nums;
  color:var(--dim-2);letter-spacing:.02em;
}

/* ---------------- 通用 ---------------- */
main{position:relative;z-index:1;max-width:var(--shell);margin:0 auto;padding:0 var(--pad)}

.grad{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------------- 对决区 ---------------- */
.hero{padding:clamp(34px,4.2vw,60px) 0 0}

.hero-head{text-align:center;max-width:760px;margin:0 auto clamp(28px,3.2vw,42px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:10.5px;letter-spacing:.18em;color:var(--dim);
  padding:6px 14px;border-radius:100px;
  border:1px solid var(--line);background:rgba(255,255,255,.025);
  text-transform:uppercase;
}
.eyebrow .dot{
  width:5px;height:5px;border-radius:50%;background:var(--pink);
}

.hero-head h1{
  font-size:clamp(30px,3.6vw,52px);font-weight:700;line-height:1.14;
  margin:20px 0 12px;letter-spacing:-.022em;
}
.hero-head .sub{font-size:13.5px;color:var(--dim);letter-spacing:.01em;line-height:1.6}

/* 等级区块切换 */
.region-switch{
  display:inline-flex;gap:3px;margin-top:20px;padding:4px;
  border-radius:12px;background:rgba(255,255,255,.03);
  border:1px solid var(--line-2);
}
.region-switch button{
  display:flex;align-items:baseline;gap:6px;
  padding:7px 15px;border-radius:9px;border:0;background:none;
  color:var(--dim-2);cursor:pointer;transition:background .2s,color .2s,box-shadow .2s;
  font-family:inherit;
}
.region-switch button b{
  font-family:var(--ff-num);font-size:12px;font-weight:600;letter-spacing:.05em;
}
.region-switch button em{
  font-style:normal;font-family:var(--ff-num);font-size:9.5px;opacity:.6;
}
.region-switch button:hover{color:var(--dim);background:rgba(255,255,255,.045)}
.region-switch button.is-on{
  color:#fff;
  background:linear-gradient(135deg,rgba(139,92,246,.3),rgba(236,72,153,.3));
  box-shadow:inset 0 0 0 1px rgba(236,72,153,.36), 0 6px 18px -8px rgba(236,72,153,.7);
}
.region-switch button.is-on em{opacity:.9;color:#f9a8d4}

/* 对决台 */
.duel{
  display:grid;
  grid-template-columns:minmax(0,1fr) 76px minmax(0,1fr);
  gap:clamp(12px,1.5vw,22px);
  align-items:start;
  max-width:min(var(--duel),100%,max(720px,calc((100vh - 380px) * 2.05)));
  margin:0 auto;
}

.duel-card{display:flex;flex-direction:column;gap:14px;min-width:0;position:relative}
.duel-card::before{
  content:"";position:absolute;left:8%;right:8%;top:6%;height:60%;
  border-radius:50%;background:var(--accent,#8b5cf6);
  filter:blur(64px);opacity:.07;z-index:-1;transition:opacity .5s;
}
.duel-card:hover::before{opacity:.16}

.card-frame{
  position:relative;aspect-ratio:1/1;border-radius:var(--r-md);overflow:hidden;
  background:var(--panel-2);
  border:1px solid var(--line);
  box-shadow:0 22px 50px -30px rgba(0,0,0,.9);
  transition:transform .4s cubic-bezier(.2,.9,.2,1),box-shadow .4s,border-color .25s;
  cursor:pointer;
  isolation:isolate;
}
.duel-card .card-frame:hover{
  transform:translateY(-4px);
  border-color:var(--line-3);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.95);
}

.card-frame .cover{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.8,.2,1),filter .5s}
.card-frame:hover .cover{transform:scale(1.035)}

.cover-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(6,6,9,.74) 62%,rgba(6,6,9,.98) 100%);
  opacity:0;transition:opacity .4s;pointer-events:none;
}

/* 悬停偷看曲名 */
.card-frame::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:44%;
  background:linear-gradient(180deg,transparent,rgba(6,6,9,.78));
  opacity:0;transition:opacity .28s;pointer-events:none;
}
.card-frame:hover::after{opacity:1}
.card-frame.revealed::after{opacity:0}

.hover-name{
  position:absolute;z-index:2;left:14px;bottom:14px;max-width:calc(100% - 28px);
  padding:7px 12px;border-radius:8px;
  font-size:13px;font-weight:600;line-height:1.35;letter-spacing:.01em;
  color:#fff;
  background:rgba(9,9,13,.74);
  border:1px solid rgba(255,255,255,.13);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 10px 24px -14px rgba(0,0,0,.9);
  opacity:0;transform:translateY(7px);
  transition:.28s cubic-bezier(.2,.9,.2,1);
  pointer-events:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.card-frame:hover .hover-name{opacity:1;transform:none}
.card-frame.revealed .hover-name{opacity:0;transform:translateY(7px)}

.side-tag,.lv-tag{
  position:absolute;top:12px;font-size:9.5px;letter-spacing:.14em;
  color:rgba(255,255,255,.82);font-weight:500;
}
.side-tag{
  left:12px;padding:4px 9px;border-radius:6px;
  background:rgba(8,8,11,.5);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.lv-tag{
  right:12px;font-family:var(--ff-num);color:rgba(255,255,255,.78);
  padding:3px 7px;border-radius:5px;background:rgba(8,8,11,.42);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}

/* 揭晓信息 */
.card-reveal{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px 20px;
  transform:translateY(10px);opacity:0;transition:.4s cubic-bezier(.2,.9,.2,1);
  pointer-events:none;
}
.card-frame.revealed .cover-veil{opacity:1}
.card-frame.revealed .cover{filter:saturate(.94) brightness(.74)}
.card-frame.revealed .card-reveal{transform:translateY(0);opacity:1}
.cr-name{
  font-size:17px;font-weight:600;line-height:1.32;letter-spacing:.005em;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.cr-artist{
  font-size:11.5px;color:rgba(255,255,255,.6);margin-top:4px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.cr-chips{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}

.chip{
  font-size:10px;letter-spacing:.02em;padding:4px 8px;border-radius:6px;
  border:1px solid var(--line);color:var(--dim);background:rgba(255,255,255,.045);
  display:inline-flex;align-items:center;gap:5px;white-space:nowrap;
}
.chip b{font-family:var(--ff-num);font-size:12px;font-weight:600;color:var(--txt);font-variant-numeric:tabular-nums}
.chip-off b{color:rgba(255,255,255,.92)}
.chip-folk{border-color:rgba(236,72,153,.3);background:rgba(236,72,153,.1);color:rgba(255,255,255,.62)}
.chip-folk b{color:#f9a8d4}
.chip-ghost b{color:#c4b5fd}

/* 选中态 */
.duel-card.picked .card-frame{
  border-color:rgba(236,72,153,.55);
  box-shadow:0 0 0 1px rgba(236,72,153,.35),0 26px 54px -28px rgba(236,72,153,.45);
}
.duel-card.missed .card-frame{opacity:.5;filter:saturate(.6)}
.duel-card.missed .card-frame:hover{transform:none}

.pick-flag{
  position:absolute;top:12px;left:50%;transform:translate(-50%,-12px);
  font-size:10px;letter-spacing:.08em;font-weight:600;
  padding:5px 11px;border-radius:100px;color:#fff;
  background:rgba(236,72,153,.9);
  backdrop-filter:blur(6px);
  opacity:0;transition:.35s;white-space:nowrap;
}
.duel-card.picked .pick-flag{opacity:1;transform:translate(-50%,0)}

/* 按钮 */
.pick-btn{
  position:relative;width:100%;padding:14px 18px;border-radius:var(--r-sm);
  display:flex;flex-direction:column;align-items:center;gap:3px;
  border:1px solid var(--line);
  background:var(--panel-3);
  transition:.22s cubic-bezier(.2,.9,.2,1);
}
.pb-main{font-size:14.5px;font-weight:600;letter-spacing:.01em;transition:color .22s}
.pb-sub{font-size:10px;letter-spacing:.12em;color:var(--dim-2);transition:color .22s}

.pick-btn:hover{transform:translateY(-2px);border-color:rgba(236,72,153,.4);background:rgba(236,72,153,.055)}
.pick-btn:hover .pb-sub{color:rgba(249,168,212,.8)}
.pick-btn:active{transform:translateY(0) scale(.99)}
.pick-btn:disabled{cursor:default;opacity:.45;transform:none}
.duel-card.picked .pick-btn:disabled{
  opacity:1;border-color:transparent;
  background:var(--grad);
  box-shadow:0 10px 26px -14px rgba(236,72,153,.75);
}
.duel-card.picked .pick-btn .pb-main{color:#fff}
.duel-card.picked .pick-btn .pb-sub{color:rgba(255,255,255,.72)}

/* VS */
.vs-wrap{
  position:relative;display:grid;place-items:center;align-self:stretch;
  padding-bottom:72px;
}
.vs-row{position:relative;display:grid;place-items:center}
.vs{
  position:relative;z-index:2;
  display:grid;place-items:center;width:54px;height:54px;border-radius:50%;
  font-family:var(--ff-num);font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--dim);background:var(--bg);border:1px solid var(--line-3);
}
.vs-ring{
  position:absolute;top:50%;left:50%;width:96px;height:1px;margin:-.5px 0 0 -48px;
  background:linear-gradient(90deg,transparent,var(--line),transparent);
}

/* 中间列的跳过：挂在 VS 正下方，不参与排版，所以 VS 仍然压在曲绘正中 */
.vs-skip{
  position:absolute;left:50%;top:100%;transform:translate(-50%,13px);
  display:inline-flex;align-items:center;justify-content:center;
  width:54px;padding:5px 0;border-radius:8px;
  font-size:11px;letter-spacing:.06em;color:var(--dim);
  border:1px solid var(--line-2);background:rgba(255,255,255,.035);
  transition:.18s;white-space:nowrap;
}
.vs-skip:hover{
  color:var(--txt);border-color:var(--line-3);background:rgba(255,255,255,.075);
}
.vs-skip:active{transform:translate(-50%,13px) scale(.96)}

/* ---------------- 对局工具条 ---------------- */
.duel-tools{
  display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;
  margin:18px auto 0;
}
.duel-hint{
  display:flex;align-items:center;gap:6px;
  font-size:11px;color:var(--dim-2);letter-spacing:.02em;
}
.kbd{
  display:inline-grid;place-items:center;min-width:19px;height:19px;padding:0 5px;
  border-radius:5px;font-size:10px;color:var(--dim);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-family:var(--ff-num);line-height:1;
}
.duel-hint.is-fresh{color:var(--dim)}
.hint-dot{
  width:5px;height:5px;border-radius:50%;background:var(--pink);
  box-shadow:0 0 0 3px rgba(236,72,153,.16);flex-shrink:0;
}
/* 结果条 */
.result-bar{
  max-width:min(var(--duel),100%,max(720px,calc((100vh - 380px) * 2.05)));
  margin:22px auto 0;
  display:flex;align-items:center;justify-content:space-between;gap:34px;
  padding:20px 24px;border-radius:var(--r-md);
  background:var(--panel);
  border:1px solid var(--line);
}
@keyframes slideUp{from{opacity:.35;transform:translateY(12px)}to{opacity:1;transform:none}}

.rb-left{flex:1;min-width:0}
.rb-label{font-size:10px;letter-spacing:.16em;color:var(--dim-2);text-transform:uppercase}
.rb-label span{letter-spacing:0;text-transform:none}
.rb-title{font-size:13px;color:var(--txt);margin:6px 0 11px;font-weight:500}

/* 这一票对定数做了什么 */
.rb-effect{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin:-4px 0 12px;font-size:11px;letter-spacing:.01em;
}
.rbe-k{
  font-family:var(--ff-num);font-variant-numeric:tabular-nums;
  padding:2px 7px;border-radius:5px;white-space:nowrap;
  background:rgba(255,255,255,.045);border:1px solid var(--line-2);
  color:var(--dim);letter-spacing:.02em;
}
.rbe-v{color:rgba(255,255,255,.72);font-variant-numeric:tabular-nums}
.rbe-v.flat{color:var(--dim-2)}

.rb-bar{
  display:flex;height:6px;border-radius:100px;overflow:hidden;
  background:rgba(255,255,255,.06);
}
.rb-fill-l{background:var(--grad);transition:width .6s cubic-bezier(.2,.9,.2,1)}
.rb-fill-r{background:rgba(255,255,255,.26);transition:width .6s cubic-bezier(.2,.9,.2,1);margin-left:auto}
.rb-legend{display:flex;justify-content:space-between;gap:16px;margin-top:8px;font-size:11px;color:var(--dim)}
.rb-legend span{font-family:var(--ff-num);letter-spacing:.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.rb-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex-shrink:0}
.rb-actions{display:flex;align-items:center;gap:8px}
.undo-btn{
  padding:10px 14px;border-radius:9px;font-size:12px;letter-spacing:.02em;
  color:var(--dim);border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:.2s;white-space:nowrap;
}
.undo-btn:hover{color:var(--txt);border-color:var(--line-3);background:rgba(255,255,255,.06)}
.undo-btn:active{transform:scale(.985)}
.next-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:9px;font-size:13px;font-weight:600;letter-spacing:.02em;
  color:#fff;background:var(--grad);
  box-shadow:0 10px 24px -14px rgba(236,72,153,.8);
  transition:.22s;
}
.next-btn span{transition:transform .22s}
.next-btn:hover{transform:translateY(-1px);box-shadow:0 14px 28px -12px rgba(236,72,153,.85)}
.next-btn:hover span{transform:translateX(3px)}
.next-btn:active{transform:translateY(0) scale(.985)}
.rb-hint{font-size:10px;color:var(--dim-2);letter-spacing:.04em}

/* ---------------- 数据条 ---------------- */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
  margin:clamp(34px,4vw,52px) 0 clamp(30px,3.4vw,44px);
}
.stat{
  padding:18px 20px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line-2);
  transition:.22s;
}
.stat:hover{border-color:var(--line);background:var(--panel-2)}
.stat-k{font-size:10px;letter-spacing:.12em;color:var(--dim-2)}
.stat-v{
  font-family:var(--ff-num);font-size:30px;font-weight:600;line-height:1.08;
  margin:8px 0 5px;letter-spacing:-.015em;color:var(--txt);
  font-variant-numeric:tabular-nums;
}
.stat-v i{font-style:normal;font-size:12.5px;color:var(--dim-2);font-weight:400;margin-left:1px}
.stat-n{font-size:10.5px;color:var(--dim-2);letter-spacing:.01em}

.stat-top{display:flex;align-items:center;gap:10px;margin:7px 0 4px}
.stat-top img{
  width:34px;height:34px;border-radius:8px;object-fit:cover;
  border:1px solid var(--line);
}
.stat-top div{display:flex;flex-direction:column;min-width:0;line-height:1.35}
.stat-top strong{font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:190px}
.stat-top span{font-size:10px;color:var(--dim-2);font-variant-numeric:tabular-nums}

/* ---------------- 双榜 ---------------- */
.boards{
  display:grid;grid-template-columns:minmax(0,1.52fr) minmax(0,1fr);
  gap:16px;align-items:start;padding-bottom:16px;
}

/* ---------------- 定数偏差榜 ---------------- */
.board-delta{margin-bottom:64px}
.delta-cols{display:grid;grid-template-columns:1fr 1fr}
.delta-col{padding:6px 8px 12px;min-width:0}
.delta-col + .delta-col{border-left:1px solid var(--line-2)}
.delta-col-head{
  display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;
  padding:9px 12px 7px;
}
.delta-col-head b{font-size:11.5px;font-weight:600;letter-spacing:.01em}
.delta-col-head span{font-size:10px;color:var(--dim-2)}
.delta-list{display:flex;flex-direction:column;gap:1px}
.delta-row{
  display:grid;grid-template-columns:32px minmax(0,1fr) auto auto;
  align-items:center;gap:10px;
  padding:6px 10px;border-radius:8px;text-align:left;transition:.18s;
}
.delta-row:hover{background:rgba(255,255,255,.04)}
.delta-row img{width:32px;height:32px;border-radius:6px;object-fit:cover}
.delta-row .dn{
  font-size:11.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.delta-row .dv{
  font-family:var(--ff-num);font-size:10.5px;color:var(--dim-2);
  white-space:nowrap;font-variant-numeric:tabular-nums;
}
.delta-row .dd{
  font-family:var(--ff-num);font-size:11.5px;font-weight:600;
  white-space:nowrap;min-width:40px;text-align:right;
  font-variant-numeric:tabular-nums;
}
.delta-row .dd.up{color:var(--up)}
.delta-row .dd.down{color:var(--down)}
.delta-empty{
  padding:12px;font-size:11px;color:var(--dim-2);line-height:1.6;
}
.board{
  border-radius:var(--r-lg);border:1px solid var(--line-2);
  background:var(--panel);
  overflow:hidden;
}
.board-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  padding:20px 22px 16px;border-bottom:1px solid var(--line-2);
}
.board-head h2{font-size:14.5px;font-weight:600;letter-spacing:.01em}
.region-tag{
  display:inline-block;margin-left:7px;padding:2px 7px;border-radius:6px;
  font-style:normal;font-family:var(--ff-num);font-size:10.5px;font-weight:600;
  vertical-align:2px;letter-spacing:.04em;
  color:#f9a8d4;background:rgba(236,72,153,.13);
  box-shadow:inset 0 0 0 1px rgba(236,72,153,.22);
}
.board-head p{font-size:10.5px;color:var(--dim-2);margin-top:4px}
.legend{display:flex;gap:14px;font-size:10px;color:var(--dim-2);letter-spacing:.02em;white-space:nowrap}
.legend span{display:inline-flex;align-items:center;gap:5px}
.legend i{width:5px;height:5px;border-radius:50%;display:inline-block}
.legend .up{background:var(--up)} .legend .down{background:var(--down)}

.pill-count{
  font-family:var(--ff-num);font-size:10.5px;color:var(--dim-2);
  padding:4px 10px;border-radius:100px;border:1px solid var(--line-2);
  white-space:nowrap;
}

/* 官方定数表右上角：张数 + 存图 */
.off-acts{display:flex;align-items:center;gap:8px;flex-shrink:0}
.sv-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 10px 0 8px;border-radius:100px;
  font-size:10.5px;letter-spacing:.02em;color:var(--dim);
  border:1px solid var(--line-2);background:rgba(255,255,255,.03);
  cursor:pointer;transition:.16s;white-space:nowrap;
}
.sv-btn:hover{
  color:var(--txt);border-color:rgba(236,72,153,.4);
  background:rgba(236,72,153,.09);
}
.sv-btn:active{transform:translateY(1px)}
.sv-btn[disabled]{opacity:.6;cursor:default;transform:none}
.sv-btn[disabled]:hover{color:var(--dim);border-color:var(--line-2);background:rgba(255,255,255,.03)}
.sv-ico{width:13px;height:13px;flex-shrink:0}
.sv-ico path{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.sv-btn.is-busy .sv-ico{animation:svPulse 1.1s ease-in-out infinite}
@keyframes svPulse{50%{opacity:.3}}

/* 排行表 */
.rank-tools{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 18px 4px;
}
.seg{
  display:inline-flex;padding:3px;border-radius:8px;
  background:rgba(255,255,255,.035);border:1px solid var(--line-2);
}
.seg button{
  font-size:10.5px;letter-spacing:.01em;color:var(--dim-2);
  padding:5px 12px;border-radius:6px;transition:.18s;white-space:nowrap;
}
.seg button:hover{color:var(--txt)}
.seg button.is-on{
  color:var(--txt);font-weight:600;
  background:rgba(255,255,255,.09);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset;
}
.rank-tools-note{font-size:10.5px;color:var(--dim-2);letter-spacing:.01em}

/* 评分机制说明 */
.mech-btn{
  display:inline-flex;align-items:center;gap:5px;
  font-size:10.5px;color:var(--dim-2);letter-spacing:.02em;
  padding:5px 9px;border-radius:7px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.025);
  transition:.18s;white-space:nowrap;
}
.mech-btn i{
  font-style:normal;font-size:9px;line-height:1;
  width:13px;height:13px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-3);color:var(--dim-2);font-family:var(--ff-num);
}
.mech-btn:hover{color:var(--txt);border-color:var(--line-3);background:rgba(255,255,255,.05)}
.mech-btn.is-on{
  color:var(--txt);border-color:rgba(236,72,153,.42);background:rgba(236,72,153,.09);
}
.mech-btn.is-on i{border-color:rgba(236,72,153,.5);color:#f9a8d4}

.mech-box{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px 22px;
  margin:10px 18px 6px;padding:14px 16px;border-radius:10px;
  background:rgba(255,255,255,.022);border:1px solid var(--line-2);
}
.mech-item b{
  display:block;font-size:11px;font-weight:600;color:var(--txt);
  margin-bottom:5px;letter-spacing:.01em;
}
.mech-item p{font-size:10.5px;line-height:1.7;color:var(--dim-2);letter-spacing:.012em}
.mech-item.is-hidden-note{
  padding:10px 12px;border-radius:8px;
  background:rgba(255,255,255,.028);border:1px solid rgba(255,255,255,.05);
}
.mech-item.is-hidden-note b{color:rgba(255,255,255,.78)}

/* 机制法则表：左条件 → 右结果，箭头由栅格对齐 */
.mech-law{margin-bottom:5px}
.mech-law p{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.16fr);
  align-items:baseline;
  font-size:10.5px;line-height:1.9;letter-spacing:.012em;
  color:var(--dim-2);font-variant-numeric:tabular-nums;
}
.mech-law .lc{min-width:0;color:rgba(255,255,255,.44)}
.mech-law .lv{
  min-width:0;white-space:nowrap;
  font-family:var(--ff-num);color:rgba(255,255,255,.76);
}
.mech-law .lv::before{
  content:"→";margin-right:7px;
  font-family:var(--ff);color:rgba(255,255,255,.16);
}
.mech-law .lv.up{color:var(--up)}
.mech-law .lv.dn{color:var(--down)}
.mech-law .lv.flat{color:rgba(255,255,255,.3)}
.mech-law .lv i{font-style:normal}
.mech-law .lv i.up{color:var(--up)}
.mech-law .lv i.dn{color:var(--down)}
.mech-item .mech-note{
  font-size:10px;line-height:1.65;color:rgba(255,255,255,.28);letter-spacing:.012em;
}
.mech-item .mech-note::before{content:"※ ";opacity:.6}

/* 搜索 */
.search{
  display:inline-flex;align-items:center;gap:7px;
  padding:0 10px;height:30px;border-radius:8px;
  background:rgba(255,255,255,.03);border:1px solid var(--line-2);
  transition:.2s;flex:1;max-width:250px;min-width:130px;
}
.search:focus-within{border-color:rgba(236,72,153,.45);background:rgba(255,255,255,.05)}
.search-ico{font-size:12px;color:var(--dim-2);flex-shrink:0;line-height:1}
.search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  font-size:11.5px;color:var(--txt);letter-spacing:.01em;font-family:inherit;
}
.search input::placeholder{color:var(--dim-2)}
.search input::-webkit-search-cancel-button{-webkit-appearance:none;display:none}
.search-x{font-size:10px;color:var(--dim-2);padding:2px 1px;line-height:1}
.search-x:hover{color:var(--txt)}

.empty-banner{
  margin:10px 12px 4px;padding:10px 14px;border-radius:8px;
  font-size:11px;color:var(--dim);
  background:rgba(255,255,255,.025);border:1px dashed var(--line);
}

.rank-table{padding:0 6px 12px}
.rank-head,.rank-row{
  display:grid;
  grid-template-columns:34px 40px minmax(0,1.45fr) minmax(0,.85fr) 46px 62px 56px 34px;
  align-items:center;gap:8px;
}
.rank-head{
  padding:12px 12px 9px;font-size:9.5px;letter-spacing:.14em;
  color:rgba(255,255,255,.42);text-transform:uppercase;
}
.ta-c{text-align:center}

.rank-row{
  padding:7px 12px;border-radius:8px;
  border:1px solid transparent;transition:.16s;cursor:pointer;
  /* 一档四五百行，只有视口里那几行需要真正渲染；留 50px 占位避免滚动条跳动 */
  content-visibility:auto;
  contain-intrinsic-size:auto 50px;
}
.rank-row:hover{background:rgba(255,255,255,.035);border-color:var(--line-2)}
.rank-row.is-top{background:rgba(255,255,255,.02)}

.rk{
  font-family:var(--ff-num);font-size:12px;font-weight:500;color:var(--dim-2);
  letter-spacing:.01em;font-variant-numeric:tabular-nums;
  text-align:center;width:23px;
}
.rank-row .rk.badge{
  display:grid;place-items:center;width:23px;height:23px;border-radius:7px;
  font-size:11px;font-weight:600;color:var(--txt);
  background:none;
}
.rank-row .rk.badge.s1{background:var(--grad);color:#fff}
.rank-row .rk.badge.s2{color:rgba(255,255,255,.9);font-weight:600}
.rank-row .rk.badge.s3{color:rgba(255,255,255,.7);font-weight:600}

.rank-row img{
  width:36px;height:36px;border-radius:8px;object-fit:cover;
  border:1px solid var(--line);
}
.rk-name{min-width:0;display:flex;flex-direction:column;gap:2px;line-height:1.3}
.rk-name strong{
  font-size:12px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.rk-name span{font-size:9.5px;color:var(--dim-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.rk-off{
  font-family:var(--ff-num);font-size:11.5px;color:var(--dim);
  text-align:center;font-variant-numeric:tabular-nums;
}
.rk-charter{
  font-size:10.5px;color:var(--dim-2);letter-spacing:.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;
}
.rk-folk{text-align:center;display:flex;flex-direction:column;align-items:center;gap:1px}
.rk-folk strong{
  font-family:var(--ff-num);font-size:15px;font-weight:600;letter-spacing:-.01em;
  color:#fff;font-variant-numeric:tabular-nums;
}
.rk-folk .d{font-size:9px;font-family:var(--ff-num);letter-spacing:.01em;font-variant-numeric:tabular-nums}
.d.up{color:var(--up)} .d.down{color:var(--down)} .d.flat{color:var(--dim-2)}

.rk-record{
  font-family:var(--ff-num);font-size:10.5px;color:var(--dim);
  text-align:center;white-space:nowrap;font-variant-numeric:tabular-nums;
}
.rk-record b{color:rgba(255,255,255,.9);font-weight:600}
.rk-record i{color:var(--dim-2);font-style:normal;margin:0 2px}

.rk-appear{
  font-family:var(--ff-num);font-size:11px;color:var(--dim-2);text-align:center;
  font-variant-numeric:tabular-nums;
}
.rank-row.fresh{opacity:.8}
.rank-row.fresh .rk-folk strong{color:rgba(255,255,255,.5)}

.empty-note{
  padding:24px 20px;font-size:12px;color:var(--dim-2);text-align:center;
}

/* 官方表 */
.board-official{position:sticky;top:82px}
.board-official::after{
  content:"";position:absolute;left:0;right:0;bottom:38px;height:34px;
  background:linear-gradient(180deg,rgba(14,14,19,0),var(--panel));
  pointer-events:none;
}
.official-scroll{
  max-height:min(660px,calc(100vh - 160px));overflow-y:auto;
  padding:10px 14px 6px;scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.16) transparent;
}
.official-scroll::-webkit-scrollbar{width:6px}
.official-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:100px}

.lvl-row{
  display:flex;gap:10px;padding:9px 0;align-items:flex-start;
  /* 同上：整档谱面一次铺开，视口外的分组不必渲染 */
  content-visibility:auto;
  contain-intrinsic-size:auto 150px;
}
.lvl-row + .lvl-row{border-top:1px solid var(--line-2)}

.lvl-pill{
  flex-shrink:0;height:41px;padding:0 13px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;gap:7px;
  font-family:var(--ff-num);line-height:1;
  color:var(--txt);background:rgba(255,255,255,.055);
  border:1px solid var(--line-2);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.055);
  transition:border-color .18s,background .18s;
}
.lvl-pill::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--lv-c,#8b5cf6);flex-shrink:0;
  box-shadow:0 0 8px -1px var(--lv-c,#8b5cf6);
}
.lvl-pill b{
  font-size:15.5px;font-weight:600;letter-spacing:-.02em;
  display:flex;align-items:baseline;font-variant-numeric:tabular-nums;
}
.lvl-pill b i{
  font-style:normal;font-size:11px;font-weight:500;opacity:.66;margin-left:1.5px;letter-spacing:0;
}
.lvl-pill.lv0{--lv-c:#8b5cf6}
.lvl-pill.lv1{--lv-c:#8f5cf6}
.lvl-pill.lv2{--lv-c:#955cf5}
.lvl-pill.lv3{--lv-c:#9d5cf4}
.lvl-pill.lv4{--lv-c:#a75cf1}
.lvl-pill.lv5{--lv-c:#b25cee}
.lvl-pill.lv6{--lv-c:#be5ceb}
.lvl-pill.lv7{--lv-c:#cc5ce5}
.lvl-pill.lv8{--lv-c:#db5cdf}
.lvl-pill.lv9{--lv-c:#ec4899;background:rgba(236,72,153,.14);border-color:rgba(236,72,153,.32)}

.lvl-items{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(50px,1fr));
  gap:6px;flex:1;min-width:0;
}
.gi{
  position:relative;width:100%;aspect-ratio:1/1;border-radius:8px;overflow:hidden;
  border:1px solid var(--line-2);transition:.18s;flex-shrink:0;
  background:var(--panel-3);
}
.gi img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.gi:hover{transform:translateY(-2px);z-index:3;
  border-color:rgba(236,72,153,.5);
  box-shadow:0 10px 20px -10px rgba(0,0,0,.9)}
.gi .gb{
  position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  font-family:var(--ff-num);font-size:8px;font-weight:600;letter-spacing:.01em;
  padding:1px 5px;border-radius:4px;color:#fff;
  background:rgba(8,8,11,.7);
  opacity:0;transition:opacity .2s;white-space:nowrap;
}
.gi:hover .gb{opacity:1}
.gi.played{border-color:rgba(167,139,250,.35)}
.gi.played::after{
  content:"";position:absolute;top:4px;right:4px;width:4px;height:4px;border-radius:50%;
  background:var(--pink);
}

/* ---- 隐藏定数：12.0 被打穿后掉成 11.9、11.8… ----
   这个读数已经不在 12 级里了。排行里数字孤零零地放着，用虚线下划线
   标记「出量程」；卡片 / 弹窗 / 偏差榜本身有「隐藏」「12.0 → 11.9」
   的文字语境，只把颜色压淡，不重复加记号。 */
.rk-folk strong.is-folk-hidden{
  color:rgba(255,255,255,.62);
  text-decoration:underline dashed rgba(255,255,255,.45);
  text-decoration-thickness:1px;
  text-underline-offset:4px;
}
.dv.is-folk-hidden{color:rgba(255,255,255,.55)}
.chip b.is-folk-hidden{color:rgba(255,255,255,.74)}
.chip-folk.is-folk-hidden{
  border-color:rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);
  color:rgba(255,255,255,.48);
}
.chip-folk.is-folk-hidden b{color:rgba(255,255,255,.66)}
.gi.is-hidden-folk{border-style:dashed;border-color:rgba(255,255,255,.15)}
.gi.is-hidden-folk img{filter:saturate(.45) brightness(.72)}
.gi.is-hidden-folk.played::after{background:rgba(255,255,255,.4)}
.gi .gb i{font-style:normal;opacity:.55;margin:0 2px}
.official-foot{
  padding:10px 18px 14px;font-size:9.5px;color:var(--dim-2);text-align:center;
  border-top:1px solid var(--line-2);
}

/* ---------------- 弹窗 ---------------- */
.modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:24px}
.modal[hidden]{display:none}
.modal-mask{position:absolute;inset:0;background:rgba(4,4,6,.72);backdrop-filter:blur(6px)}
.modal-panel{
  position:relative;width:min(540px,100%);max-height:86vh;overflow-y:auto;
  border-radius:var(--r-lg);padding:24px;
  background:var(--panel-2);
  border:1px solid var(--line);
  box-shadow:0 40px 90px -40px #000;
  animation:pop .28s cubic-bezier(.2,.9,.2,1) both;
}
@keyframes pop{from{opacity:.5;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
.modal-x{
  position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:7px;
  color:var(--dim-2);font-size:12px;border:1px solid var(--line-2);transition:.18s;
}
.modal-x:hover{color:var(--txt);background:rgba(255,255,255,.05)}
.modal-top{display:flex;gap:16px;align-items:flex-start}
.modal-cover{
  width:104px;height:104px;border-radius:12px;object-fit:cover;flex-shrink:0;
  border:1px solid var(--line);
}
.modal-meta{min-width:0;padding-top:2px}
.modal-name{font-size:17px;font-weight:600;line-height:1.32}
.modal-artist{font-size:11.5px;color:var(--dim);margin-top:4px}
.modal-charter{font-size:10.5px;color:var(--dim-2);margin-top:4px}
.modal-chips{display:flex;gap:6px;margin-top:11px;flex-wrap:wrap}
.modal-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:20px 0 18px;
}
.modal-stats > div{
  padding:11px;border-radius:9px;background:rgba(255,255,255,.03);
  border:1px solid var(--line-2);text-align:center;
}
.modal-stats em{font-style:normal;font-size:9.5px;color:var(--dim-2);letter-spacing:.08em;display:block}
.modal-stats strong{
  font-family:var(--ff-num);font-size:18px;font-weight:600;margin-top:4px;display:block;
  font-variant-numeric:tabular-nums;
}
.modal-h3{font-size:10px;letter-spacing:.14em;color:var(--dim-2);margin-bottom:10px;text-transform:uppercase}
.h2h{display:flex;flex-direction:column;gap:2px;max-height:240px;overflow-y:auto}
.h2h-row{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:7px;transition:.16s;cursor:pointer}
.h2h-row:hover{background:rgba(255,255,255,.04)}
.h2h-row img{width:26px;height:26px;border-radius:6px;object-fit:cover}
.h2h-row .hn{flex:1;min-width:0;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.h2h-row .hb{width:64px;height:4px;border-radius:100px;background:rgba(255,255,255,.08);overflow:hidden;flex-shrink:0}
.h2h-row .hb i{display:block;height:100%;background:var(--grad);border-radius:100px}
.h2h-row .hv{
  font-family:var(--ff-num);font-size:10px;color:var(--dim-2);width:38px;text-align:right;
  flex-shrink:0;font-variant-numeric:tabular-nums;
}

/* ---------------- 页脚 ---------------- */
.foot{
  position:relative;z-index:1;text-align:center;padding:0 var(--pad) 40px;
  font-size:10.5px;color:var(--dim-2);letter-spacing:.03em;
}

/* ---------------- 悬浮提示 / 轻提示 ---------------- */
.tip{
  position:fixed;z-index:90;pointer-events:none;max-width:280px;
  padding:6px 10px;border-radius:7px;font-size:11.5px;line-height:1.42;
  color:#fff;background:rgba(14,14,19,.95);border:1px solid var(--line-3);
  box-shadow:0 12px 30px -14px rgba(0,0,0,.95);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transform:translate(-50%,-100%);
}
.tip[hidden]{display:none}

.toast{
  position:fixed;left:50%;bottom:32px;z-index:120;pointer-events:none;
  padding:10px 18px;border-radius:100px;font-size:12.5px;letter-spacing:.01em;
  color:var(--txt);background:rgba(20,20,26,.97);border:1px solid var(--line-3);
  box-shadow:0 18px 40px -18px rgba(0,0,0,.95);
  opacity:0;transform:translate(-50%,10px);transition:.22s cubic-bezier(.2,.9,.2,1);
}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast[hidden]{display:none}

/* ---------------- 响应式 ---------------- */
@media (min-width:1620px){
  :root{--shell:1480px;--duel:1020px}
  .hero-head h1{font-size:56px}
  .rank-head,.rank-row{grid-template-columns:36px 42px minmax(0,1.5fr) minmax(0,.9fr) 50px 66px 58px 36px}
  .official-scroll{max-height:min(720px,calc(100vh - 160px))}
}

@media (max-width:1200px){
  .rank-head,.rank-row{grid-template-columns:30px 38px minmax(0,1.4fr) 44px 58px 52px 32px}
  .rank-head span:nth-child(4),.rank-row .rk-charter{display:none}
  .pl-sub{display:none}
  .pl-title{max-width:104px}
}

@media (max-height:820px) and (min-width:761px){
  .hero{padding-top:24px}
  .hero-head{margin-bottom:22px}
  .hero-head h1{font-size:clamp(28px,3vw,42px);margin:14px 0 9px}
  .hero-head .sub{font-size:12.5px}
  .duel-card{gap:10px}
  .pick-btn{padding:11px 16px}
  .vs-wrap{padding-bottom:64px}
}

@media (max-width:1120px){
  .pl-body{display:none}
  .player{gap:7px;margin-right:12px}
  .pl-group{gap:5px;margin-right:12px}
  /* 这一段顶栏最挤，收一收间距，别让标签和按钮换行 */
  .mini-stat{padding:0 14px}
  .top-actions{margin-left:14px}
  .top-actions .ghost-btn{padding:6px 9px}
}

@media (max-width:1000px){
  .boards{grid-template-columns:1fr}
  .board-official{position:static}
  .official-scroll{max-height:520px}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .delta-cols{grid-template-columns:1fr}
  .delta-col + .delta-col{border-left:0;border-top:1px solid var(--line-2)}
  .board-delta{margin-bottom:48px}
  .mech-box{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:760px){
  main{padding:0 16px}
  .topbar-inner{height:56px;padding:0 16px;gap:10px}
  .player{gap:6px;margin-right:8px;padding:3px}
  .pl-group{gap:4px;margin-right:8px}
  .pl-vol-pop{gap:8px;padding:8px 10px}
  .pl-range{width:88px}
  .pl-cover{width:52px;height:26px;border-radius:6px}
  .pl-btn{width:24px;height:24px}
  .pl-btn svg{width:12px;height:12px}
  .brand-mark{width:32px;height:32px;border-radius:9px;font-size:11px}
  .brand-text em{display:none}
  .mini-stat{padding:0 12px}
  .mini-stat span{font-size:13px}
  .mini-stat em{display:none}
  .mini-stat.is-cover{display:none}
  .ghost-btn{margin-left:12px;padding:6px 10px;font-size:11px}
  .top-actions{margin-left:10px;gap:5px}
  .top-actions .ghost-btn{padding:5px 8px;font-size:10.5px}
  .search{max-width:none;flex:1 1 100%;order:3}
  .delta-col{padding:6px 6px 10px}
  .delta-row{grid-template-columns:28px minmax(0,1fr) auto;gap:8px;padding:5px 8px}
  .delta-row img{width:28px;height:28px;border-radius:5px}
  .delta-row .dv{display:none}
  .delta-row .dn{font-size:11px}
  .duel-tools{gap:10px;margin-top:14px}
  .duel-hint{font-size:10.5px}

  .hero{padding:26px 0 0}
  .hero-head{margin-bottom:24px}
  .hero-head h1{font-size:clamp(26px,7.4vw,34px);margin:16px 0 10px}
  .hero-head .sub{font-size:11.5px;line-height:1.6}
  .eyebrow{font-size:9px;padding:5px 11px;letter-spacing:.14em}

  .duel{grid-template-columns:minmax(0,1fr) 30px minmax(0,1fr);gap:8px}
  .duel-card{gap:10px}
  .card-frame{border-radius:12px}
  .side-tag,.lv-tag{top:8px;font-size:8px}
  .side-tag{left:8px;padding:3px 6px}
  .lv-tag{right:9px}
  .pick-btn{padding:11px 8px;border-radius:10px;gap:2px}
  .pb-main{font-size:11px;line-height:1.3;text-align:center}
  .pb-sub{display:none}
  .vs{width:34px;height:34px;font-size:9.5px}
  .vs-wrap{padding-bottom:52px}
  .vs-ring{display:none}
  .vs-skip{
    transform:translate(-50%,8px);
    width:24px;height:24px;padding:0;border-radius:50%;
    font-size:0;letter-spacing:0;
  }
  .vs-skip::after{content:"↻";font-size:11px;line-height:1}
  .vs-skip:active{transform:translate(-50%,8px) scale(.94)}
  .hint-kb{display:none}
  .card-reveal{padding:8px 9px 9px}
  .cr-name{font-size:10.5px}
  .cr-artist{font-size:8.5px}
  .cr-chips{gap:4px;margin-top:5px}
  .chip{font-size:8px;padding:2px 5px;gap:3px}
  .chip b{font-size:9px}
  .pick-flag{font-size:8px;padding:3px 8px;top:8px}

  .result-bar{flex-direction:column;align-items:stretch;gap:16px;padding:16px;margin-top:18px}
  .rb-right{align-items:stretch}
  .rb-actions{width:100%}
  .undo-btn{flex:0 0 auto}
  .next-btn{flex:1;justify-content:center}
  .rb-hint{text-align:center}
  .hover-name{font-size:10.5px;left:8px;bottom:8px;padding:4px 7px;border-radius:6px;max-width:calc(100% - 16px)}

  .stats-strip{gap:8px;margin:28px 0 30px}
  .stat{padding:13px 14px;border-radius:11px}
  .stat-v{font-size:23px;margin:6px 0 3px}
  .stat-k{font-size:8.5px}
  .stat-n{font-size:9px}
  .stat-top strong{max-width:110px;font-size:11px}

  .rank-head,.rank-row{grid-template-columns:24px 32px minmax(0,1fr) 38px 52px 42px}
  .rank-head span:nth-child(4),.rank-row .rk-charter{display:none}
  .rank-tools{padding:10px 12px 2px;flex-wrap:wrap;gap:8px}
  .rank-tools-note{display:none}
  .mech-box{grid-template-columns:1fr;gap:10px;margin:8px 12px 4px;padding:12px 13px}
  .mech-item p{font-size:10px;line-height:1.6}
  .rb-effect{font-size:10.5px;gap:6px}
  .seg button{padding:5px 10px;font-size:10px}
  .empty-banner{margin:8px 8px 2px;font-size:10.5px}
  .rank-head span:last-child,.rank-row .rk-appear{display:none}
  .rank-row{padding:6px 7px;gap:5px}
  .rank-row img{width:30px;height:30px;border-radius:7px}
  .rk-name strong{font-size:11px}
  .rk-name span{font-size:9px}
  .rk-folk strong{font-size:13px}
  .rk-record{font-size:9px}
  .rk-off{font-size:10px}
  .rank-row .rk.badge{width:20px;height:20px;font-size:10px}
  .board-head{padding:15px 14px 12px}
  .board-head h2{font-size:13.5px}
  .board-head p{font-size:9.5px}
  .off-acts{gap:6px}
  .sv-txt{display:none}
  .sv-btn{height:24px;padding:0 7px}
  .sv-ico{width:14px;height:14px}
  .gi{border-radius:7px}
  .official-scroll{padding:8px 10px 4px}
  .lvl-items{grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:5px}
  .lvl-pill{height:32px;border-radius:9px;padding:0 9px;gap:5px}
  .lvl-pill b{font-size:12.5px}
  .lvl-pill b i{font-size:10px}
  .lvl-pill::before{width:5px;height:5px}
  .modal-panel{padding:18px}
  .modal-cover{width:80px;height:80px}
  .modal-name{font-size:15px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}