/* ============================================================
   飞车 3D · 八人竞速   —  stylesheet
   dark navy + neon glass UI
   ============================================================ */
:root{
  --blue:#1d6ff2; --cyan:#27c7ff; --orange:#ff8a00; --yellow:#ffd23a;
  --pink:#ff5fa8; --green:#39e08a; --red:#ff4d4d;
  --panel:rgba(10,20,48,.74); --panel2:rgba(16,32,72,.9);
  --line:rgba(120,190,255,.32);
  --txt:#f4f8ff; --muted:#a9bddb;
  --ui:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --num:"Arial Black","Impact","Helvetica Neue",Arial,sans-serif;
  --glow:0 0 24px rgba(39,199,255,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{width:100%;height:100%;overflow:hidden;background:#0a1430;color:var(--txt);
  font-family:var(--ui);user-select:none;-webkit-user-select:none;touch-action:none}
canvas#gl{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}
canvas#fx{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:4;mix-blend-mode:screen}
.hidden{display:none!important}
.muted{color:var(--muted)}
#vignette{position:fixed;inset:0;pointer-events:none;opacity:0;transition:opacity .25s;z-index:5;
  background:radial-gradient(ellipse at center,#0000 52%,#1e8cff52 84%,#3cbeff9e)}
#vignette.small{background:radial-gradient(ellipse at center,#0000 58%,#ff96284d 90%,#ffbe3c8c)}
#hitflash{position:fixed;inset:0;pointer-events:none;background:#ff3c285c;opacity:0;transition:opacity .3s;z-index:6}
.glass{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 8px 30px #00000057}
.screen{position:fixed;inset:0;z-index:10}

/* ---------------- 声音条 ---------------- */
.bgm-bar{position:fixed;top:22px;right:26px;display:flex;gap:8px;z-index:40;align-items:flex-start}
.audio-btn{display:flex;align-items:center;gap:6px;height:34px;padding:0 13px;border-radius:20px;
  border:1px solid rgba(130,190,255,.28);background:rgba(9,19,45,.66);color:#dceaff;
  font-family:var(--ui);font-size:13px;cursor:pointer;backdrop-filter:blur(8px);
  transition:all .18s;white-space:nowrap}
.audio-btn:hover{background:rgba(30,70,150,.6);border-color:var(--cyan);color:#fff}
.audio-btn.tog.off{opacity:.45;text-decoration:line-through}
.audio-btn.on{border-color:rgba(57,224,138,.55);color:#c9ffe6}
.au-ico{font-size:15px;line-height:1}
.vol-panel{position:absolute;top:44px;right:0;width:290px;padding:14px 16px;border-radius:14px;
  background:rgba(8,18,42,.94);border:1px solid var(--line);box-shadow:0 16px 40px #000a;
  backdrop-filter:blur(12px);display:flex;flex-direction:column;gap:12px}
.vol-panel[hidden]{display:none}
.vol-row{display:flex;align-items:center;gap:10px;font-size:13px;color:#cfe0ff}
.vol-name{width:52px;flex:0 0 auto}
.vol-range{flex:1;accent-color:var(--cyan);height:4px}
.vol-val{width:42px;text-align:right;font-family:var(--num);font-size:12px;color:var(--yellow)}
.vol-reset{margin-top:2px;height:30px;border-radius:8px;border:1px solid var(--line);
  background:rgba(30,60,120,.35);color:#cfe0ff;font-family:var(--ui);font-size:12px;cursor:pointer}
.vol-reset:hover{background:rgba(40,90,180,.5)}
.drop-hint{position:fixed;inset:0;z-index:60;background:rgba(4,10,26,.72);display:none;
  align-items:center;justify-content:center;font-size:26px;letter-spacing:3px;color:#bfe4ff;
  border:2px dashed rgba(39,199,255,.55);backdrop-filter:blur(4px)}
.drop-hint.on{display:flex}

/* ---------------- 菜单骨架 ---------------- */
#menu{display:flex;flex-direction:column;padding:26px 0 0 46px;pointer-events:none;overflow:hidden}
#menu>*{pointer-events:auto}
.menu-bg{position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(900px 520px at 8% 8%,rgba(29,111,242,.34),transparent 62%),
             radial-gradient(760px 500px at 96% 92%,rgba(255,95,168,.14),transparent 60%),
             linear-gradient(105deg,#060c20ed,#060e26b8 42%,#060e263d 68%,#060e260f)}
.brand{flex:0 0 auto}
.logo{display:flex;align-items:flex-end;gap:6px;line-height:.86}
.logo-cn{font-size:62px;font-weight:900;letter-spacing:2px;font-style:italic;
  background:linear-gradient(180deg,#fff,#bfe4ff 55%,#7ec2ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 18px rgba(39,199,255,.5))}
.logo-3d{font-family:var(--num);font-size:46px;font-style:italic;letter-spacing:1px;
  background:linear-gradient(180deg,#ffe27a,#ff8a00 58%,#e23d00);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 16px rgba(255,138,0,.45));transform:translateY(-2px)}
.logo-sub{margin-top:8px;font-size:14px;letter-spacing:6px;color:#a9cdf7;font-weight:600}
.logo-tags{display:flex;gap:8px;margin-top:12px}
.logo-tags span{font-size:12px;padding:4px 11px;border-radius:20px;color:#bcd8ff;
  background:rgba(20,60,130,.35);border:1px solid rgba(90,160,255,.28)}

.toprow{display:flex;align-items:center;gap:26px;margin-top:26px;flex:0 0 auto}
.tabs{display:flex;gap:8px}
.tab{position:relative;height:40px;padding:0 20px;border-radius:11px;border:1px solid rgba(120,190,255,.25);
  background:rgba(10,24,56,.6);color:#c6dbff;font-family:var(--ui);font-size:15px;font-weight:600;cursor:pointer;
  transition:all .18s;display:flex;align-items:center;gap:7px}
.tab:hover{color:#fff;border-color:rgba(39,199,255,.6)}
.tab.active{background:linear-gradient(180deg,#2f8bff,#1550d8);border-color:#6fb6ff;color:#fff;
  box-shadow:0 6px 20px rgba(29,111,242,.5),inset 0 1px 0 #ffffff5c}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);
  animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.profile{display:flex;align-items:center;gap:9px;height:40px;padding:0 7px 0 7px;border-radius:22px;
  background:rgba(8,18,42,.66);border:1px solid rgba(120,190,255,.28);backdrop-filter:blur(8px)}
.pf-av{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:800;
  color:#fff;background:linear-gradient(140deg,var(--pink),var(--blue));box-shadow:0 0 12px rgba(255,95,168,.5)}
.profile input{width:150px;background:none;border:none;outline:none;color:#eaf4ff;font-size:14px;
  font-family:var(--ui);padding:0}
.profile input::placeholder{color:#6f8ab4}
.pf-dice{width:26px;height:26px;border-radius:50%;border:none;background:rgba(40,90,180,.35);
  color:#bcd8ff;cursor:pointer;font-size:14px;line-height:1;transition:all .2s}
.pf-dice:hover{background:var(--blue);color:#fff;transform:rotate(180deg)}

/* ---------------- 面板 ---------------- */
.panel-main{position:relative;flex:0 0 auto;width:min(724px,calc(100vw - 92px));margin-top:18px;
  padding:16px 18px 18px;border-radius:18px;background:linear-gradient(180deg,rgba(10,22,52,.8),rgba(8,18,44,.62));
  border:1px solid rgba(120,190,255,.26);backdrop-filter:blur(10px);
  box-shadow:0 20px 50px #00000066,inset 0 1px 0 #ffffff14}
.grp{margin-bottom:12px}
.grp-t{font-size:12px;letter-spacing:1px;color:#93b3dd;margin-bottom:8px;font-weight:600}
.track-list{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.track-card{position:relative;height:88px;border-radius:12px;border:1px solid rgba(140,200,255,.22);
  cursor:pointer;overflow:hidden;padding:9px 11px;text-align:left;font-family:var(--ui);color:#fff;
  transition:all .18s;background:#152446}
.track-card .tc-bg{position:absolute;inset:0;z-index:0;transition:transform .4s}
.track-card:hover .tc-bg{transform:scale(1.06)}
.track-card::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,#ffffff10,transparent 40%,#0006)}
.track-card .tc-sub,.track-card .tc-name,.track-card .tc-len{position:relative;z-index:2}
.track-card .tc-sub{font-size:11px;color:#cfe4ffd9;letter-spacing:.5px}
.track-card .tc-name{position:absolute;left:11px;bottom:9px;font-size:16px;font-weight:800;letter-spacing:.5px;
  text-shadow:0 2px 8px #000}
.track-card .tc-len{position:absolute;right:10px;bottom:10px;font-size:11px;color:#d9e9ff;opacity:.85;
  font-family:var(--num)}
.track-card.active{border-color:#7fd0ff;box-shadow:0 0 0 1px #7fd0ff inset,0 0 22px rgba(39,199,255,.45)}
.track-card.active .tc-name{color:#fff}
.track-card .tc-check{position:absolute;top:7px;right:7px;width:17px;height:17px;border-radius:50%;
  z-index:3;background:var(--cyan);color:#04203a;font-size:11px;font-weight:900;display:none;place-items:center}
.track-card.active .tc-check{display:grid}

.row2{display:flex;gap:12px;align-items:flex-start}
.row2 .grp{flex:1 1 0;min-width:0}
.row2 .grp.lap-grp{flex:1.45 1 0;min-width:244px}
#lapChips{flex-wrap:nowrap}
.seg{display:flex;gap:8px}
.seg-btn{flex:1;text-align:left;padding:8px 12px;border-radius:10px;cursor:pointer;font-family:var(--ui);
  border:1px solid rgba(140,200,255,.2);background:rgba(16,34,74,.55);color:#c6dbff;transition:all .16s}
.seg-btn b{display:block;font-size:14px;color:#eaf4ff;margin-bottom:2px}
.seg-btn span{font-size:11px;color:#8fa9cc;line-height:1.35;display:block}
.seg-btn:hover{border-color:rgba(39,199,255,.5)}
.seg-btn.active{background:linear-gradient(180deg,#2f8bff,#1550d8);border-color:#6fb6ff;
  box-shadow:0 6px 18px rgba(29,111,242,.42)}
.seg-btn.active span{color:#d6e8ff}
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{height:30px;padding:0 13px;border-radius:16px;border:1px solid rgba(140,200,255,.22);
  background:rgba(14,30,66,.55);color:#c6dbff;font-family:var(--ui);font-size:13px;cursor:pointer;transition:all .15s}
.chip:hover{border-color:rgba(39,199,255,.55);color:#fff}
.chip.active{background:linear-gradient(180deg,#ffb43a,#ff7a00);border-color:#ffd48a;color:#2a1400;font-weight:800;
  box-shadow:0 4px 16px rgba(255,138,0,.45)}
.tips{display:flex;align-items:center;gap:3px;flex-wrap:wrap;font-size:12px;color:#93b3dd;
  margin:4px 0 12px;letter-spacing:.2px}
.k{display:inline-block;min-width:20px;padding:1px 6px;margin:0 2px;border-radius:5px;font-size:11px;
  font-family:var(--num);color:#dcecff;background:rgba(60,110,190,.35);border:1px solid rgba(120,190,255,.3);
  text-align:center}
.btn-go{width:100%;height:50px;border-radius:12px;border:1px solid #ffd48a;cursor:pointer;
  font-family:var(--ui);font-size:19px;font-weight:900;letter-spacing:5px;color:#331a00;
  background:linear-gradient(180deg,#ffd23a,#ff8a00 55%,#ff6a00);
  box-shadow:0 10px 30px rgba(255,138,0,.42),inset 0 1px 0 #fff6;transition:all .16s}
.btn-go:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 34px rgba(255,138,0,.55)}
.btn-go:active{transform:translateY(1px)}
.btn-go.small{width:auto;height:38px;padding:0 26px;font-size:15px;letter-spacing:2px;border-radius:10px}
.btn-ghost{height:38px;padding:0 20px;border-radius:10px;border:1px solid rgba(140,200,255,.35);
  background:rgba(20,44,92,.5);color:#cfe2ff;font-family:var(--ui);font-size:14px;cursor:pointer;transition:all .16s}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(30,70,150,.6)}
.hint-tech{margin-top:12px;font-size:11.5px;line-height:1.75;color:#8fa9cc}
.hint-tech b{color:#d8e9ff}

/* ---------------- 道具图鉴 ---------------- */
.item-panel{position:absolute;right:30px;top:150px;width:364px;padding:14px 16px 12px;border-radius:18px;
  background:linear-gradient(180deg,rgba(10,22,52,.86),rgba(8,18,44,.72));
  border:1px solid rgba(120,190,255,.26);backdrop-filter:blur(10px);box-shadow:0 20px 50px #00000066}
.item-gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:7px}
.item-tile{position:relative;aspect-ratio:1/1;border-radius:10px;cursor:default;
  background:radial-gradient(circle at 50% 32%,#2a4b8f,#101f45 70%);
  border:1px solid rgba(140,200,255,.22);display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:1px;transition:all .15s;overflow:hidden}
.item-tile:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:0 6px 18px rgba(39,199,255,.35)}
.item-tile .it-ico{font-size:20px;line-height:1;filter:drop-shadow(0 2px 6px #000)}
.item-tile .it-nm{font-size:9px;color:#c6dbff;letter-spacing:.2px;white-space:nowrap}
.item-tip{margin-top:10px;min-height:34px;font-size:11.5px;line-height:1.5;color:#a9c7ef;
  padding:7px 9px;border-radius:8px;background:rgba(8,20,46,.55);border:1px solid rgba(80,140,230,.18)}

/* ---------------- 联机 ---------------- */
.panel-online{position:relative;margin-top:18px;width:min(724px,calc(100vw - 92px));padding:16px 18px;
  border-radius:18px;background:linear-gradient(180deg,rgba(10,22,52,.8),rgba(8,18,44,.62));
  border:1px solid rgba(120,190,255,.26);backdrop-filter:blur(10px);box-shadow:0 20px 50px #00000066}
.who-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:14px;color:#cfe0ff}
.who-av{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;
  background:linear-gradient(140deg,var(--orange),var(--pink));box-shadow:0 0 14px rgba(255,138,0,.4)}
.who-txt b{color:#fff}
.who-edit{margin-left:auto;height:28px;padding:0 14px;border-radius:8px;border:1px solid var(--line);
  background:rgba(30,60,120,.35);color:#bcd8ff;font-family:var(--ui);font-size:12px;cursor:pointer}
.who-edit:hover{background:var(--blue);color:#fff}
.online-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.join-row{display:flex;gap:8px;margin-left:auto}
.join-row input{width:170px;height:38px;border-radius:10px;border:1px solid rgba(140,200,255,.3);
  background:rgba(6,14,34,.7);color:#eaf4ff;font-family:var(--num);letter-spacing:2px;font-size:14px;
  placeholder-color:#6f8ab4;outline:none;padding:0 12px;text-transform:uppercase}
.join-row input:focus{border-color:var(--cyan)}
.online-note{margin-top:12px;font-size:11.5px;line-height:1.75;color:#8fa9cc}
.online-note b{color:#cfe6ff}
.lobby-head{display:flex;align-items:flex-end;gap:26px;border-bottom:1px solid rgba(120,190,255,.18);
  padding-bottom:12px;margin-bottom:12px}
.room-code{font-family:var(--num);font-size:30px;letter-spacing:9px;color:var(--yellow);
  text-shadow:0 0 18px rgba(255,210,58,.45)}
.lobby-meta{display:flex;gap:26px;margin-left:auto}
.lobby-meta>div{display:flex;flex-direction:column;gap:3px;font-size:13px}
.lobby-meta .muted{font-size:11px;letter-spacing:1px}
.lobby-meta b{font-size:15px}
.slots{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.slot{display:flex;align-items:center;gap:8px;padding:8px 9px;border-radius:10px;
  background:rgba(14,32,70,.6);border:1px solid rgba(120,190,255,.2);min-height:52px}
.slot.filled{border-color:rgba(120,190,255,.36)}
.slot.me{border-color:var(--cyan);box-shadow:0 0 0 1px rgba(39,199,255,.45) inset}
.slot.ai{opacity:.62;border-style:dashed}
.slot .av{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;
  color:#fff;flex:0 0 auto;box-shadow:inset 0 0 0 2px #ffffff2e}
.slot .nm{font-size:12.5px;font-weight:700;color:#eaf4ff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.slot .st{font-size:10px;color:#8fa9cc;margin-top:1px}
.slot .st.ready{color:var(--green)}
.slot .st.host{color:var(--yellow)}
.lobby-foot{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}
.lobby-foot .btn-ghost{margin-right:auto}

/* ---------------- 通用按钮/页脚 ---------------- */
.credits{margin-top:auto;padding:10px 0 14px;font-size:11.5px;color:#7d98be;letter-spacing:.4px}
.credits a{color:#9fc4ff}

/* ---------------- 倒计时 ---------------- */
#countdown{position:fixed;inset:0;z-index:30;display:flex;flex-direction:column;align-items:center;
  justify-content:center;pointer-events:none;background:radial-gradient(ellipse at center,#00000000 40%,#00000066)}
.cd-num{font-family:var(--num);font-size:170px;line-height:1;font-style:italic;color:#fff;
  text-shadow:0 0 40px rgba(39,199,255,.85),0 8px 40px #000;animation:cdPop .9s ease-out}
.cd-tip{margin-top:6px;font-size:20px;letter-spacing:14px;color:#bcdcff;text-shadow:0 2px 16px #000}
@keyframes cdPop{0%{transform:scale(1.7);opacity:0}22%{transform:scale(1);opacity:1}82%{opacity:1}100%{transform:scale(.92);opacity:.2}}

/* ---------------- HUD ---------------- */
#hud{position:fixed;inset:0;z-index:20;pointer-events:none}
#rank{position:absolute;left:22px;top:22px;width:186px;padding:8px 10px;font-size:12px}
.rk-row{display:flex;align-items:center;gap:7px;padding:3px 4px;border-radius:6px}
.rk-row.me{background:linear-gradient(90deg,rgba(39,199,255,.3),transparent);box-shadow:inset 2px 0 0 var(--cyan)}
.rk-pos{width:18px;font-family:var(--num);font-size:11px;color:#8fb4e6;text-align:right}
.rk-row.me .rk-pos{color:var(--cyan)}
.rk-nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#dbeaff}
.rk-row.me .rk-nm{color:#fff;font-weight:700}
.rk-gap{font-family:var(--num);font-size:10px;color:#7f9cc2}
#topc{position:absolute;top:20px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
#timebox,#lapbox{padding:7px 16px;text-align:center;min-width:118px}
#timebox .t{font-family:var(--num);font-size:20px;letter-spacing:1px;color:#fff}
#lapbox .l{font-family:var(--num);font-size:20px;letter-spacing:1px;color:#ffe9a6}
#timebox .s,#lapbox .s{font-size:10px;letter-spacing:3px;color:#9db9de;margin-top:1px}
#minimapWrap{position:absolute;left:22px;bottom:22px;width:200px;height:200px;padding:4px;border-radius:16px}
#minimap{width:192px;height:192px;display:block;border-radius:12px}
.mm-label{position:absolute;left:12px;bottom:8px;font-size:9px;letter-spacing:2px;color:#9db9de;opacity:.8}
#speedo{position:absolute;right:26px;bottom:26px;width:264px;padding:10px 16px 12px;border-radius:16px}
.sp-main{display:flex;align-items:baseline;gap:5px;justify-content:flex-end}
.sp-main span{font-family:var(--num);font-size:46px;line-height:1;letter-spacing:-1px;
  background:linear-gradient(180deg,#fff,#9fd8ff 60%,#4da6ff);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 16px rgba(39,199,255,.5))}
.sp-main i{font-style:normal;font-size:12px;color:#9db9de;letter-spacing:1px}
.nitro-row{display:flex;align-items:center;gap:8px;margin-top:6px}
.nitro-bars{display:flex;gap:4px}
.nitro-bars i{width:26px;height:9px;border-radius:3px;background:rgba(255,255,255,.13);
  border:1px solid rgba(120,190,255,.3);transition:all .2s}
.nitro-bars i.on{background:linear-gradient(90deg,#27c7ff,#6ee7ff);box-shadow:0 0 12px rgba(39,199,255,.8)}
.charge{position:relative;flex:1;height:9px;border-radius:5px;background:rgba(255,255,255,.1);
  overflow:hidden;border:1px solid rgba(120,190,255,.25)}
.charge-fill{position:absolute;inset:0;width:0%;background:linear-gradient(90deg,#ff8a00,#ffd23a);
  box-shadow:0 0 14px rgba(255,170,0,.8);transition:width .08s linear}
.charge span{position:absolute;inset:0;font-size:7px;line-height:9px;text-align:center;letter-spacing:1px;
  color:#fff;text-shadow:0 0 4px #000}
.sp-sub{margin-top:5px;font-size:10.5px;color:#9db9de;letter-spacing:1px;text-align:right;min-height:13px}
#itemSlot{position:absolute;right:26px;top:150px;display:flex;flex-direction:column;align-items:center;gap:5px}
.item-box{width:78px;height:78px;border-radius:15px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  background:radial-gradient(circle at 50% 32%,#2f5aa8,#0d1c40 72%);
  border:2px solid rgba(140,200,255,.5);box-shadow:0 0 26px rgba(39,199,255,.45);transition:border-color .15s, box-shadow .15s}
.item-box .ib-ico{font-size:30px;line-height:1;filter:drop-shadow(0 2px 8px #000a)}
.item-box .ib-nm{font-size:10px;letter-spacing:.5px;color:#e6f3ff;max-width:70px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item-box.empty{opacity:.4}
.item-key{font-size:10px;color:#9db9de;letter-spacing:1px}
#centerMsg{position:absolute;left:50%;top:38%;transform:translate(-50%,-50%);text-align:center;
  font-family:var(--num);font-size:34px;font-style:italic;letter-spacing:2px;color:#fff;
  text-shadow:0 0 26px rgba(39,199,255,.9),0 4px 24px #000;opacity:0;transition:opacity .2s}
#centerMsg.show{opacity:1;animation:msgPop .45s ease-out}
@keyframes msgPop{0%{transform:translate(-50%,-50%) scale(1.5)}100%{transform:translate(-50%,-50%) scale(1)}}
/* 旧的 CSS 速度线停用，改由 #fx canvas 绘制 */
#speedlines{display:none!important}
#nitroFx{position:absolute;inset:0;opacity:0;transition:opacity .18s;pointer-events:none;
  background:radial-gradient(ellipse at 50% 94%,rgba(0,220,255,.4),transparent 50%),
             radial-gradient(ellipse at 50% 8%,rgba(150,90,255,.28),transparent 55%);
  box-shadow:inset 0 0 130px rgba(0,220,255,.4),inset 0 0 40px rgba(120,90,255,.25)}
#nitroFx.on{opacity:1;animation:nitroPulse .42s ease-in-out infinite alternate}
@keyframes nitroPulse{from{filter:brightness(.85)}to{filter:brightness(1.3)}}
#boom{position:absolute;inset:0;background:radial-gradient(circle at 50% 55%,#eaffffaa,#27c7ff55 32%,transparent 64%);
  opacity:0;pointer-events:none;transition:opacity .4s}
#boom.on{opacity:1;transition:none}

/* ---------------- 冲线 ---------------- */
#celebrate{position:fixed;inset:0;z-index:32;display:flex;align-items:center;justify-content:center;pointer-events:none}
.ce-burst{position:absolute;width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,#ffd23a44,transparent 62%);animation:ceGlow 2s ease-out infinite}
@keyframes ceGlow{0%,100%{transform:scale(.9);opacity:.55}50%{transform:scale(1.1);opacity:1}}
.ce-card{position:relative;text-align:center;animation:ceIn .6s cubic-bezier(.2,1.4,.4,1)}
@keyframes ceIn{0%{transform:scale(.4);opacity:0}100%{transform:scale(1);opacity:1}}
.ce-rank{font-family:var(--num);font-size:92px;font-style:italic;line-height:1;
  background:linear-gradient(180deg,#fff,#ffe27a 45%,#ff8a00);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 34px rgba(255,180,58,.8))}
.ce-sub{margin-top:6px;font-size:18px;letter-spacing:4px;color:#eaf4ff;text-shadow:0 2px 18px #000}
.ce-medal{font-size:64px;margin-top:2px;animation:ceFloat 1.8s ease-in-out infinite}
@keyframes ceFloat{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-10px) rotate(6deg)}}
.ce-confetti{position:absolute;inset:0;overflow:hidden}
.conf{position:absolute;top:-20px;width:9px;height:14px;border-radius:2px;animation:confFall linear forwards}
@keyframes confFall{0%{transform:translateY(-10vh) rotate(0)}100%{transform:translateY(110vh) rotate(720deg)}}

/* ---------------- 结算 / 暂停 ---------------- */
#result{display:grid;place-items:center;background:rgba(3,8,22,.55);backdrop-filter:blur(5px);z-index:34}
.result-card{width:min(620px,94vw);padding:22px 24px;border-radius:20px;
  background:linear-gradient(180deg,rgba(12,26,60,.96),rgba(7,16,38,.96))}
.res-title{font-size:22px;font-weight:900;letter-spacing:6px;color:#fff;text-align:center}
.res-time{margin:6px 0 14px;text-align:center;font-family:var(--num);font-size:34px;color:var(--yellow);
  text-shadow:0 0 22px rgba(255,210,58,.45);letter-spacing:2px}
.res-table{width:100%;border-collapse:collapse;font-size:13px;margin-bottom:16px}
.res-table th{font-size:11px;color:#8fa9cc;font-weight:600;text-align:left;padding:6px 8px;border-bottom:1px solid rgba(120,190,255,.2)}
.res-table td{padding:6px 8px;border-bottom:1px solid rgba(120,190,255,.08);color:#dbeaff}
.res-table tr.me td{background:rgba(39,199,255,.13);color:#fff;font-weight:700}
.res-table td.pos{font-family:var(--num);color:#9fd8ff;width:38px}
.res-table td.tm{font-family:var(--num);font-size:12px;color:#c6dbff}
.res-table td.tm .est{font-style:normal;font-size:9px;color:#8fa9cc;margin-left:4px;opacity:.8}
.res-table th.sp,.res-table td.sp{text-align:right;width:96px;white-space:nowrap}
.res-table td.sp{font-family:var(--num);font-size:12px;color:#ffe9a6}
.res-table td.sp .unit{font-style:normal;font-family:var(--ui);font-size:9px;color:#8fa9cc;margin-left:3px}
.res-table tr.me td.sp{color:#fff}
.res-table tr.res-note td{padding:6px 8px 2px;font-size:10px;color:#7f9cc2;border:none;background:none}
.res-btns{display:flex;gap:10px;justify-content:center}
#pause{display:grid;place-items:center;background:rgba(3,8,22,.62);backdrop-filter:blur(6px);z-index:35}
.pause-card{width:min(380px,90vw);padding:26px 24px;text-align:center;border-radius:20px}
.pause-tip{font-size:11.5px;color:#8fa9cc;margin:8px 0 18px}
.pause-card .res-btns{margin-top:4px}

/* ---------------- toast / loading ---------------- */
#toast{position:fixed;left:50%;bottom:110px;transform:translateX(-50%) translateY(14px);z-index:70;
  padding:9px 20px;border-radius:22px;background:rgba(8,18,42,.92);border:1px solid var(--line);
  color:#dbeaff;font-size:13px;opacity:0;pointer-events:none;transition:all .25s;white-space:nowrap}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#loading{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;
  gap:16px;background:#070f24;transition:opacity .45s}
#loading.done{opacity:0;pointer-events:none}
.ld-ring{width:34px;height:34px;border-radius:50%;border:3px solid rgba(39,199,255,.2);
  border-top-color:var(--cyan);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.ld-t{font-size:14px;letter-spacing:3px;color:#a9c7ef}

/* ---------------- 触屏 ---------------- */
#touch{position:fixed;inset:auto 0 0 0;height:0;z-index:25;pointer-events:none}
.tbtn{position:fixed;bottom:26px;border-radius:50%;border:1px solid rgba(140,200,255,.4);
  background:rgba(10,24,56,.55);color:#dcecff;font-family:var(--ui);font-size:15px;font-weight:700;
  backdrop-filter:blur(6px);pointer-events:auto;touch-action:none}
.tbtn:active{background:rgba(39,199,255,.4)}
.t-left{left:22px;width:64px;height:64px}
.t-right{left:98px;width:64px;height:64px}
.t-drift{right:150px;bottom:28px;width:74px;height:74px;font-size:14px}
.t-nitro{right:66px;bottom:96px;width:60px;height:60px;font-size:13px}
.t-item{right:26px;bottom:36px;width:56px;height:56px;font-size:13px}

/* ---------------- 响应式 ---------------- */
@media (max-width:1180px){
  .item-panel{display:none}
  .panel-main,.panel-online{width:min(760px,calc(100vw - 60px))}
}
@media (max-width:900px){
  #menu{padding:18px 16px 0}
  .logo-cn{font-size:44px}.logo-3d{font-size:32px}.logo-sub{font-size:11px;letter-spacing:3px}
  .toprow{margin-top:16px;flex-wrap:wrap;gap:12px}
  .profile{margin-left:auto}
  .panel-main,.panel-online{width:100%;margin-top:14px;max-height:calc(100vh - 180px);overflow-y:auto}
  .track-list{grid-template-columns:repeat(2,1fr)}
  .row2{flex-wrap:wrap}
  .bgm-bar{display:none}
  .hint-tech{display:none}
  .credits{display:none}
  #rank{width:148px;font-size:11px}
  #minimapWrap{width:140px;height:140px}
  #minimap{width:132px;height:132px}
  #speedo{width:206px;right:12px;bottom:12px;padding:8px 12px}
  .sp-main span{font-size:34px}
  #topc{top:12px}
  #timebox,#lapbox{min-width:92px;padding:6px 10px}
  #timebox .t,#lapbox .l{font-size:16px}
  #itemSlot{top:auto;bottom:150px;right:16px}
  .slots{grid-template-columns:repeat(2,1fr)}
  .lobby-head{flex-wrap:wrap;gap:12px}
  .lobby-meta{margin-left:0}
  .online-actions .join-row{margin-left:0;width:100%}
  .join-row input{flex:1;width:auto}
}
@media (pointer:coarse){
  #touch:not(.hidden){height:auto}
  #minimapWrap{bottom:110px}
  #speedo{bottom:100px}
}