:root{--thread-bg:#111317;--thread-panel:#1a1d23;--thread-line:#303641;--thread-cyan:#73e2dc;--thread-pink:#ff6f91;--thread-gold:#ffd166}
.thread-card{background:linear-gradient(145deg,#241c29,#151820);color:#fff}
.thread-card:before{background:radial-gradient(circle at 78% 16%,rgba(255,111,145,.2),transparent 38%)}
.thread-card .card-copy small{color:#bcb7c2}.thread-card .card-icon{border-color:#ff7897;color:#ff7897;background:#211923;box-shadow:inset 0 0 0 7px #211923,inset 0 0 0 8px rgba(255,120,151,.28)}
.thread-glyph{font-family:Arial,sans-serif;transform:rotate(-18deg)}
.thread-view{position:fixed;z-index:7;inset:0;width:100%;height:100vh;height:100dvh;overflow:auto;overscroll-behavior:none;background:radial-gradient(circle at 13% 4%,rgba(255,111,145,.13),transparent 31%),radial-gradient(circle at 92% 84%,rgba(115,226,220,.11),transparent 34%),var(--thread-bg);color:#f8f5f0;padding:clamp(14px,2.4vw,30px) max(16px,calc((100vw - 1360px)/2));font-family:"Microsoft YaHei",sans-serif}
.thread-view:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.17;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:28px 28px}
.thread-header{position:relative;z-index:2;height:58px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:15px;border-bottom:1px solid rgba(255,255,255,.1)}
.thread-back,.thread-action,.thread-result-actions button{border:1px solid #444a56;border-radius:10px;background:linear-gradient(#30343d,#23262d);color:#f8f5f0;box-shadow:0 4px 0 #0a0b0d,0 9px 18px rgba(0,0,0,.22),inset 0 1px 0 rgba(255,255,255,.13);cursor:pointer;transition:transform .12s,box-shadow .12s,border-color .2s}
.thread-back{justify-self:start;padding:9px 15px;font-size:13px}.thread-back:active,.thread-action:active,.thread-result-actions button:active{transform:translateY(3px);box-shadow:0 1px 0 #090a0c}
.thread-title{text-align:center}.thread-title span,.thread-kicker,.thread-ranking-card>div span,.thread-result-card>span{display:block;color:var(--thread-pink);font:700 9px/1.2 Arial,sans-serif;letter-spacing:.25em}.thread-title strong{font:600 22px/1.2 "Noto Serif SC","Songti SC",serif;letter-spacing:.16em}
.thread-timer{justify-self:end;position:relative;min-width:112px;text-align:right}.thread-timer small,.thread-timer strong{display:block}.thread-timer small{color:#9299a5;font-size:9px;letter-spacing:.1em}.thread-timer strong{font:700 23px/1.05 Arial,sans-serif;font-variant-numeric:tabular-nums}.thread-timer i{display:block;height:3px;margin-top:4px;background:#343945;overflow:hidden;border-radius:3px}.thread-timer i:after{content:"";display:block;width:var(--thread-time,100%);height:100%;background:linear-gradient(90deg,var(--thread-pink),var(--thread-gold));transition:width .1s linear}.thread-timer.urgent strong{color:#ff6c73}.thread-timer.urgent{animation:threadPulse .65s infinite alternate}
@keyframes threadPulse{to{transform:scale(1.035)}}
.thread-select{position:relative;z-index:1;max-width:1220px;margin:0 auto;padding:clamp(24px,4vh,56px) 0 24px}.thread-intro{text-align:center;max-width:880px;margin:0 auto clamp(20px,3vh,36px)}.thread-intro h1{margin:9px 0 12px;font:600 clamp(34px,5vw,64px)/1.05 "Noto Serif SC","Songti SC",serif;letter-spacing:-.04em}.thread-intro h1 em{color:var(--thread-pink);font-style:normal}.thread-intro p{max-width:760px;margin:auto;color:#9da3ad;font-size:13px;line-height:1.75}.thread-level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.thread-level-card{position:relative;min-height:252px;padding:23px;border:1px solid #333945;border-radius:15px;background:linear-gradient(150deg,rgba(35,38,46,.96),rgba(21,23,28,.98));color:#f8f5f0;text-align:left;overflow:hidden;cursor:pointer;box-shadow:0 7px 0 #08090b,0 19px 40px rgba(0,0,0,.25);transition:transform .18s,border-color .18s}.thread-level-card:hover{transform:translateY(-5px);border-color:#596171}.thread-level-card:active{transform:translateY(3px)}.thread-level-card:before{content:"";position:absolute;width:180px;height:180px;right:-35px;top:-35px;border-radius:50%;background:radial-gradient(circle,var(--level-color),transparent 68%);opacity:.2}.thread-level-card .level-top{display:flex;align-items:center;justify-content:space-between}.thread-level-card .level-index{color:#69717e;font:11px Arial;letter-spacing:.18em}.thread-level-card .level-count{padding:6px 9px;border:1px solid #3c424d;border-radius:20px;color:#aeb4bf;font-size:10px}.thread-level-card .level-icon{display:grid;place-items:center;width:76px;height:76px;margin:17px 0 14px;border:1px solid color-mix(in srgb,var(--level-color) 65%,#fff 12%);border-radius:22px;color:var(--level-color);font:600 36px "Noto Serif SC","Songti SC",serif;box-shadow:inset 0 0 0 6px rgba(255,255,255,.035),0 12px 24px rgba(0,0,0,.2)}.thread-level-card h2{margin:0 0 7px;font:600 25px "Noto Serif SC","Songti SC",serif}.thread-level-card p{min-height:39px;margin:0;color:#9da3ad;font-size:11px;line-height:1.7}.thread-level-card .level-record{display:flex;justify-content:space-between;align-items:end;margin-top:17px;padding-top:13px;border-top:1px solid #343943;color:#838a95;font-size:10px}.thread-level-card .level-record strong{color:#fff;font:700 17px Arial}.thread-persistence-note{text-align:center;color:#676e79;font-size:10px;margin:21px 0 0}
.thread-play{position:relative;z-index:1;max-width:1280px;height:calc(100dvh - 112px);min-height:560px;margin:14px auto 0;display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:14px}.thread-stage-panel,.thread-side-panel{min-width:0}.thread-stage-panel{display:flex;min-height:0;flex-direction:column;border:1px solid #303641;border-radius:15px;background:rgba(22,25,30,.92);overflow:hidden;box-shadow:0 20px 55px rgba(0,0,0,.28)}.thread-hud{height:68px;flex:0 0 68px;display:grid;grid-template-columns:1fr minmax(150px,240px) 90px;align-items:center;gap:18px;padding:0 22px;border-bottom:1px solid #303641}.thread-hud small,.thread-hud strong{display:block}.thread-hud small{color:#8f96a2;font-size:9px}.thread-hud>div:first-child strong{font:600 20px "Noto Serif SC","Songti SC",serif}.thread-progress span{display:block;margin-bottom:5px;text-align:center;color:#adb4bf;font:10px Arial}.thread-progress i{display:block;height:5px;border-radius:5px;background:#303641;overflow:hidden}.thread-progress b{display:block;width:0;height:100%;border-radius:5px;background:linear-gradient(90deg,var(--thread-cyan),var(--thread-pink));transition:width .28s ease}.thread-combo{text-align:right}.thread-combo strong{color:var(--thread-gold);font:700 22px Arial}.thread-canvas-wrap{position:relative;flex:1;min-height:0;display:grid;place-items:center;padding:10px;background:radial-gradient(circle,#1d2128,#121419 72%)}#threadCanvas{display:block;width:min(100%,calc(100dvh - 214px));height:auto;max-height:100%;aspect-ratio:1;background:#111319;border:1px solid #2c313a;border-radius:10px;touch-action:manipulation;cursor:pointer}.thread-board-notice{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:12px 18px;border:1px solid #4b5360;border-radius:30px;background:rgba(11,13,16,.9);color:#fff;font-size:12px;white-space:nowrap;pointer-events:none}.thread-board-notice.error{border-color:#8d3e50;color:#ff8ca5}.thread-mobile-tip{height:34px;display:grid;place-items:center;border-top:1px solid #2b3039;color:#777f8b;font-size:9px}.thread-side-panel{display:flex;flex-direction:column;gap:13px}.thread-actions{display:grid;gap:9px}.thread-action{min-height:50px;padding:9px 13px;text-align:center}.thread-action.primary{min-height:66px;border-color:#6e5360;background:linear-gradient(#9d3f58,#682a3c)}.thread-action span,.thread-action small{display:block}.thread-action small{margin-top:3px;color:#e4bdc8;font-size:9px}.thread-ranking-card{flex:1;min-height:0;padding:19px;border:1px solid #303641;border-radius:14px;background:rgba(26,29,35,.92);overflow:hidden}.thread-ranking-card>div{display:flex;align-items:end;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid #333943}.thread-ranking-card>div span{font-size:7px}.thread-ranking-card>div strong{font:600 17px "Noto Serif SC","Songti SC",serif}.thread-ranking-card ol{list-style:none;margin:0;padding:0;counter-reset:thread-rank;max-height:calc(100dvh - 330px);overflow:auto}.thread-ranking-card li{counter-increment:thread-rank;display:grid;grid-template-columns:22px 1fr auto;gap:7px;align-items:center;padding:10px 0;border-bottom:1px solid #292e36;color:#c9ced6;font-size:10px}.thread-ranking-card li:before{content:counter(thread-rank);color:#69717e;font:10px Arial}.thread-ranking-card li:nth-child(1):before{color:var(--thread-gold)}.thread-ranking-card li span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-ranking-card li b{color:#fff;font:700 11px Arial}.thread-ranking-empty{padding:32px 0!important;display:block!important;text-align:center;color:#737b87!important;border:0!important}.thread-ranking-empty:before{display:none}
.thread-result{position:fixed;z-index:10;inset:0;display:grid;place-items:center;padding:18px;background:rgba(8,9,12,.84);backdrop-filter:blur(10px)}.thread-result-card{width:min(440px,100%);padding:34px;border:1px solid #3d4450;border-radius:20px;background:radial-gradient(circle at 50% 5%,rgba(255,111,145,.16),transparent 34%),#191c22;text-align:center;box-shadow:0 30px 100px rgba(0,0,0,.5)}.thread-final-trail{width:82px;height:82px;margin:17px auto 13px;display:grid;place-items:center;border:1px solid #6b4b58;border-radius:50%;color:#ff7696;font-size:42px;filter:drop-shadow(0 0 11px rgba(255,111,145,.7));animation:threadTrail 1.2s ease-in-out infinite alternate}@keyframes threadTrail{to{transform:rotate(28deg) scale(1.07);filter:drop-shadow(0 0 22px rgba(115,226,220,.8));color:var(--thread-cyan)}}.thread-result-card h2{margin:0 0 18px;font:600 29px "Noto Serif SC","Songti SC",serif}.thread-result-card p{margin:0;color:#8f96a2;font-size:10px}.thread-result-card>strong{display:block;margin:5px 0 20px;font:700 38px Arial;color:#fff}.thread-result-meta{display:grid;grid-template-columns:1fr 1fr;border:1px solid #333944}.thread-result-meta span{padding:12px;color:#9299a4;font-size:10px}.thread-result-meta span+span{border-left:1px solid #333944}.thread-result-meta b{display:block;margin-top:5px;color:#fff;font-size:17px}.thread-result-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:18px}.thread-result-actions button{min-height:47px}.thread-result-actions button:first-child{border-color:#8e4156;background:linear-gradient(#a63f5b,#6c293e)}
.thread-view.thread-shake #threadCanvas{animation:threadShake .25s linear}@keyframes threadShake{25%{transform:translateX(-7px)}50%{transform:translateX(7px)}75%{transform:translateX(-4px)}}
@media(max-width:980px){.thread-level-grid{gap:10px}.thread-level-card{min-height:226px;padding:18px}.thread-play{grid-template-columns:minmax(0,1fr) 220px}.thread-hud{padding:0 14px}.thread-ranking-card{padding:14px}}
@media(max-width:720px){.thread-view{padding:10px 8px max(10px,env(safe-area-inset-bottom))}.thread-header{height:52px;grid-template-columns:1fr auto 1fr}.thread-back{padding:7px 10px;font-size:11px}.thread-title span{display:none}.thread-title strong{font-size:18px}.thread-timer{min-width:80px}.thread-timer small{display:none}.thread-timer strong{font-size:20px}.thread-select{padding:18px 0 10px}.thread-intro{margin-bottom:13px}.thread-intro h1{font-size:30px;margin:6px 0 8px}.thread-intro p{font-size:10px;line-height:1.55;padding:0 8px}.thread-kicker{font-size:8px}.thread-level-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.thread-level-card{min-height:164px;padding:10px 7px;border-radius:10px;box-shadow:0 4px 0 #08090b,0 9px 20px rgba(0,0,0,.2);text-align:center}.thread-level-card .level-count{display:none}.thread-level-card .level-icon{width:47px;height:47px;margin:12px auto 8px;border-radius:14px;font-size:23px}.thread-level-card h2{font-size:15px;margin-bottom:4px;white-space:nowrap}.thread-level-card p{display:none}.thread-level-card .level-record{display:block;margin-top:9px;padding-top:8px;font-size:8px}.thread-level-card .level-record strong{display:block;margin-top:3px;font-size:12px}.thread-persistence-note{font-size:8px;margin-top:15px}.thread-play{height:calc(100dvh - 74px);min-height:0;margin-top:8px;display:flex;flex-direction:column;gap:7px}.thread-stage-panel{flex:1;min-height:0;border-radius:10px}.thread-hud{height:53px;flex-basis:53px;grid-template-columns:1fr 120px 55px;gap:8px;padding:0 10px}.thread-hud>div:first-child strong{font-size:15px}.thread-progress span{font-size:8px}.thread-combo strong{font-size:16px}.thread-canvas-wrap{padding:5px}#threadCanvas{width:min(100%,calc(100dvh - 292px));max-width:100%;border-radius:7px}.thread-mobile-tip{height:26px;font-size:8px}.thread-side-panel{flex:0 0 auto;display:grid;grid-template-columns:1fr 1.15fr;gap:7px}.thread-actions{grid-template-columns:1.5fr 1fr 1fr;gap:5px}.thread-action{min-height:42px;padding:6px 4px;font-size:10px;border-radius:7px}.thread-action.primary{min-height:42px}.thread-action.primary span{font-size:10px}.thread-action small{font-size:7px}.thread-ranking-card{height:78px;padding:9px;border-radius:8px}.thread-ranking-card>div{padding-bottom:5px}.thread-ranking-card>div span{display:none}.thread-ranking-card>div strong{font-size:12px}.thread-ranking-card ol{max-height:43px}.thread-ranking-card li{padding:5px 0;font-size:8px;grid-template-columns:14px 1fr auto}.thread-ranking-card li:nth-child(n+3){display:none}.thread-ranking-card li b{font-size:8px}.thread-result-card{padding:25px 19px}.thread-final-trail{width:66px;height:66px;font-size:34px}.thread-result-card h2{font-size:24px}.thread-result-card>strong{font-size:30px}}
@media(max-width:380px){.thread-intro h1{font-size:27px}.thread-level-card h2{font-size:13px}.thread-level-card .level-icon{width:42px;height:42px}.thread-hud{grid-template-columns:1fr 105px 48px}.thread-side-panel{grid-template-columns:1fr}.thread-ranking-card{display:none}#threadCanvas{width:min(100%,calc(100dvh - 255px))}}
@media(prefers-reduced-motion:reduce){.thread-final-trail,.thread-timer.urgent,.thread-view.thread-shake #threadCanvas{animation:none!important}}