:root{
  --blue:#1793DC;
  --blue-deep:#235094;
  --blue-dark:#0E2A57;
  --sky:#6AC8FF;
  --sky-soft:#BFE8FF;
  --yellow:#FBD349;
  --yellow-deep:#E8A61A;
  --pink:#FF7BAE;
  --purple:#8E6BFF;
  --navy:#101F44;
  --ink:#10224A;
  --muted:#5F7391;
  --line:#DCE9F4;
  --paper:#FFFFFF;
  --cream:#F6FAFE;
  --font:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  --display:"Arial Black","PingFang SC","Microsoft YaHei UI",sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
  background:
    radial-gradient(circle at 18% 12%, rgba(106,200,255,.28), transparent 34%),
    radial-gradient(circle at 84% 82%, rgba(251,211,73,.15), transparent 30%),
    linear-gradient(145deg,#0A1B3A 0%,#102B58 52%,#0B2044 100%);
  font-family:var(--font);
  color:var(--ink);
  overflow:hidden;
  display:grid;
  place-items:center;
}
button{font-family:inherit}
.app{width:100%;height:100%;display:grid;place-items:center;padding:0}
.stage{
  position:relative;
  width:min(100vw, calc(100vh * 16 / 9));
  aspect-ratio:16/9;
  container-type:size;
  container-name:stage;
  background:#7ED3FF;
  overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.45);
  border-radius:24px;
  isolation:isolate;
}
canvas#game{display:block;width:100%;height:100%;touch-action:none}
.top-controls{
  position:absolute;top:18px;right:20px;z-index:30;
  display:none;gap:8px;
}
.stage.playing .top-controls{display:flex}
.icon-btn{
  width:42px;height:42px;border-radius:14px;border:2px solid rgba(16,31,68,.16);
  background:rgba(255,255,255,.86);color:var(--navy);
  display:grid;place-items:center;cursor:pointer;
  backdrop-filter:blur(8px);
  transition:transform .15s ease, background .15s ease;
  box-shadow:0 4px 0 rgba(16,31,68,.12);
}
.icon-btn:hover{transform:translateY(-2px);background:#fff}
.icon-btn:active{transform:translateY(1px);box-shadow:0 2px 0 rgba(16,31,68,.12)}
.icon-btn svg{width:21px;height:21px}
.icon-btn .ico-muted{display:none}
body.muted .icon-btn .ico-sound{display:none}
body.muted .icon-btn .ico-muted{display:block}

.level-banner{
  position:absolute;top:17%;left:50%;transform:translate(-50%,-14px);
  z-index:25;display:none;flex-direction:column;align-items:center;gap:2px;
  padding:18px 42px 20px;border-radius:22px;
  background:rgba(255,255,255,.94);
  border:3px solid var(--navy);
  box-shadow:0 10px 0 rgba(16,31,68,.22);
  pointer-events:none;
  opacity:0;
}
.level-banner.show{display:flex;animation:bannerIn 2.1s cubic-bezier(.2,.9,.25,1) forwards}
.lb-kicker{font-size:12px;letter-spacing:.32em;font-weight:900;color:var(--blue)}
.lb-name{font-size:34px;font-weight:900;letter-spacing:.04em;color:var(--navy);line-height:1.1}
.lb-sub{font-size:11px;letter-spacing:.34em;color:#7A8BA5;font-weight:800}
@keyframes bannerIn{
  0%{opacity:0;transform:translate(-50%,4px) scale(.94)}
  12%{opacity:1;transform:translate(-50%,0) scale(1)}
  80%{opacity:1;transform:translate(-50%,0) scale(1)}
  100%{opacity:0;transform:translate(-50%,-12px) scale(.985)}
}

.toast-layer{
  position:absolute;left:50%;bottom:24%;transform:translateX(-50%);
  z-index:24;display:flex;flex-direction:column;align-items:center;gap:8px;
  pointer-events:none;width:max-content;max-width:82%;
}
.toast{
  padding:10px 20px;border-radius:999px;
  background:rgba(16,31,68,.92);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 6px 18px rgba(0,0,0,.24);
  animation:toastIn .3s ease both, toastOut .35s ease 3.1s forwards;
  display:flex;align-items:center;gap:10px;
  letter-spacing:.01em;text-align:center;
}
.toast b{color:var(--yellow)}
.toast .dotpulse{width:8px;height:8px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 0 rgba(251,211,73,.5);animation:dotpulse 1s infinite}
@keyframes dotpulse{0%{box-shadow:0 0 0 0 rgba(251,211,73,.6)}100%{box-shadow:0 0 0 10px rgba(251,211,73,0)}}
@keyframes toastIn{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(-8px)}}

.overlay{position:absolute;inset:0;z-index:40;pointer-events:none}
.screen{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .28s ease, visibility .28s;
}
.screen.active{opacity:1;visibility:visible;pointer-events:auto}
.screen-title{
  display:block;padding:0;overflow:hidden;
  background:transparent;
}
.title-bg-fade{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg, rgba(8,23,50,.9) 0%, rgba(8,25,54,.78) 38%, rgba(8,25,54,.24) 66%, rgba(8,25,54,.02) 100%),
    linear-gradient(0deg, rgba(8,23,50,.66) 0%, transparent 42%);
}
.screen-title::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.22;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px, transparent 1px);
  background-size:22px 22px;
  mask-image:linear-gradient(90deg,#000 0%,transparent 60%);
  -webkit-mask-image:linear-gradient(90deg,#000 0%,transparent 60%);
}
.brandbar{
  position:absolute;top:clamp(18px,3.2vw,34px);left:clamp(22px,4.2vw,58px);right:clamp(22px,4.2vw,58px);
  display:flex;align-items:center;justify-content:space-between;z-index:3;
}
.brandbar-logo{width:clamp(150px,17vw,236px);height:auto;display:block;filter:drop-shadow(0 3px 8px rgba(0,0,0,.18))}
.brandbar-tag{
  color:rgba(255,255,255,.88);font-size:clamp(9px,1vw,11px);font-weight:800;
  letter-spacing:.22em;border:1.5px solid rgba(255,255,255,.34);border-radius:999px;
  padding:7px 13px;backdrop-filter:blur(6px);
}
.title-grid{
  position:relative;z-index:2;height:100%;
  display:grid;grid-template-columns:1.06fr .94fr;align-items:center;
  padding:clamp(70px,9vw,104px) clamp(22px,4.2vw,58px) clamp(40px,7vh,58px);
  gap:clamp(8px,2vw,30px);
}
.title-copy{max-width:640px;animation:riseIn .7s cubic-bezier(.2,.85,.3,1) both}
.kicker{
  margin:0 0 14px;color:var(--sky);font-size:clamp(9px,1.06vw,12px);
  font-weight:900;letter-spacing:.27em;
}
.game-title{
  margin:0;color:#fff;font-weight:900;
  font-size:clamp(48px,7.8vw,108px);line-height:.96;letter-spacing:-.035em;
  text-shadow:0 4px 0 rgba(8,23,50,.28), 0 18px 38px rgba(0,0,0,.22);
}
.game-title .accent{color:var(--yellow);text-shadow:0 4px 0 rgba(137,81,0,.22),0 18px 38px rgba(0,0,0,.2)}
.title-en{
  margin-top:14px;color:rgba(255,255,255,.94);font-family:var(--display);
  font-size:clamp(9px,1.32vw,15px);letter-spacing:.44em;font-weight:900;
}
.title-cn{
  display:inline-flex;align-items:center;gap:10px;margin-top:12px;
  color:var(--navy);background:var(--sky);font-size:clamp(12px,1.35vw,17px);
  font-weight:900;letter-spacing:.16em;padding:7px 14px;border-radius:8px;
  box-shadow:0 4px 0 rgba(8,23,50,.25);
}
.lead{
  margin:clamp(16px,2.4vh,24px) 0 0;color:rgba(255,255,255,.8);
  font-size:clamp(12.5px,1.22vw,15px);line-height:1.85;max-width:34em;
}
.title-actions{display:flex;align-items:center;gap:14px;margin-top:clamp(18px,3vh,28px);flex-wrap:wrap}
.btn{
  appearance:none;border:3px solid var(--navy);cursor:pointer;
  border-radius:15px;padding:13px 26px;font-size:15px;font-weight:900;letter-spacing:.02em;
  transition:transform .14s ease, box-shadow .14s ease, background .14s ease;
  line-height:1;
}
.btn:focus-visible{outline:3px solid var(--sky);outline-offset:3px}
.btn-primary{background:var(--yellow);color:var(--navy);box-shadow:0 6px 0 var(--navy)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 0 var(--navy);background:#FFDE6B}
.btn-primary:active{transform:translateY(3px);box-shadow:0 3px 0 var(--navy)}
.btn-secondary{background:#fff;color:var(--navy);box-shadow:0 6px 0 rgba(16,31,68,.9)}
.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 8px 0 rgba(16,31,68,.9)}
.btn-secondary:active{transform:translateY(3px);box-shadow:0 3px 0 rgba(16,31,68,.9)}
.btn-ghost{
  background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.7);
  box-shadow:0 6px 0 rgba(8,23,50,.3);backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(3px);box-shadow:0 3px 0 rgba(8,23,50,.3)}
.btn-quiet{
  background:transparent;border-color:transparent;color:var(--muted);
  box-shadow:none;text-decoration:underline;text-underline-offset:4px;padding:11px 14px;
}
.btn-quiet:hover{color:var(--navy)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:0 6px 0 var(--navy)!important}
.title-actions .btn{font-size:clamp(13px,1.2vw,16px);padding:clamp(12px,1.6vh,16px) clamp(20px,2.3vw,30px)}
.level-row{display:flex;gap:9px;margin-top:clamp(16px,2.6vh,24px);flex-wrap:wrap}
.level-chip{
  display:flex;align-items:center;gap:9px;padding:8px 13px 8px 8px;
  background:rgba(255,255,255,.1);border:1.6px solid rgba(255,255,255,.3);
  border-radius:12px;color:#fff;cursor:pointer;font-family:inherit;
  transition:background .15s ease, transform .15s ease, opacity .15s;
  font-size:clamp(10px,1.02vw,12.5px);font-weight:800;
}
.level-chip:not(.locked){background:rgba(7,22,48,.52);border-color:rgba(255,255,255,.4);backdrop-filter:blur(6px)}
.level-chip:hover{background:rgba(255,255,255,.2);transform:translateY(-1px)}
.level-chip .num{
  display:grid;place-items:center;min-width:36px;height:28px;border-radius:7px;
  background:rgba(255,255,255,.92);color:var(--navy);font-weight:900;font-size:11px;letter-spacing:.02em;
}
.level-chip.locked{opacity:.46;cursor:not-allowed}
.level-chip.locked .num{background:rgba(255,255,255,.28);color:#fff}
.level-chip.locked:hover{transform:none;background:rgba(255,255,255,.1)}
.level-chip .lock{width:12px;height:12px}
.event-strip{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  margin-top:12px;padding:7px 11px;border-radius:10px;max-width:100%;overflow:hidden;
  background:linear-gradient(90deg,rgba(251,211,73,.15),rgba(7,22,48,.56) 42%,rgba(7,22,48,.32));
  border:1.5px solid rgba(251,211,73,.34);
  box-shadow:0 5px 0 rgba(7,22,48,.18);
}
.event-badge{
  background:var(--yellow);color:var(--navy);font-family:var(--display);
  font-size:12px;font-weight:900;letter-spacing:.06em;line-height:1;
  border:2px solid var(--navy);border-radius:6px;padding:4px 7px;
  box-shadow:0 2px 0 rgba(16,31,68,.75);
}
.event-copy{font-size:10.5px;font-weight:900;color:#fff;letter-spacing:.04em}
.event-dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.36);flex:none}
.event-tag{
  padding:2px 8px;border:1px solid rgba(106,200,255,.38);border-radius:999px;
  color:var(--sky);background:rgba(106,200,255,.09);
  font-size:9.5px;font-weight:800;letter-spacing:.02em;line-height:1.5;
}
.event-tag-pink{color:var(--pink);border-color:rgba(255,123,174,.42);background:rgba(255,123,174,.09)}
.event-cursor{width:2px;height:12px;background:var(--yellow);border-radius:1px;animation:cursorBlink 1.1s steps(1) infinite;flex:none}
@keyframes cursorBlink{0%,48%{opacity:1}49%,100%{opacity:0}}
.best-line{
  margin-top:10px;color:rgba(255,255,255,.58);font-size:clamp(10px,1vw,12px);
  font-weight:600;letter-spacing:.02em;min-height:16px;
}
.title-foot{
  position:absolute;left:clamp(22px,4.2vw,58px);right:clamp(22px,4.2vw,58px);bottom:clamp(14px,3vh,26px);
  z-index:3;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  color:rgba(255,255,255,.46);font-size:10.5px;font-weight:700;letter-spacing:.1em;
}
.title-foot .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.36)}

.title-hero{position:relative;height:100%;display:flex;align-items:center;justify-content:center;min-height:0}
.hero-halo{
  position:absolute;width:min(40vw,510px);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.26) 0%,rgba(255,255,255,.05) 52%,transparent 70%);
  filter:blur(6px);
}
.hero-sun{
  position:absolute;width:min(29vw,360px);aspect-ratio:1;border-radius:50%;
  background:linear-gradient(160deg,#FFE27A 0%,var(--yellow) 55%,#F2B31F 100%);
  box-shadow:inset 0 -16px 0 rgba(201,137,0,.14),0 22px 50px rgba(0,0,0,.16);
}
.hero-sun::after{
  content:"";position:absolute;inset:-22px;border-radius:50%;
  border:2px dashed rgba(255,255,255,.36);
  animation:spin 26s linear infinite;
}
.hero-ring{position:absolute;border-radius:50%;border:2px solid rgba(255,255,255,.16);pointer-events:none}
.ring-a{width:min(37vw,460px);aspect-ratio:1}
.ring-b{width:min(46vw,565px);aspect-ratio:1;border-color:rgba(255,255,255,.08)}
.hero-img{
  position:relative;z-index:2;width:min(30vw,392px);height:auto;max-height:74%;
  object-fit:contain;
  filter:drop-shadow(0 26px 30px rgba(7,22,51,.32));
  animation:floaty 4.6s ease-in-out infinite;
}
.sticker{
  position:absolute;z-index:4;padding:9px 15px;border-radius:12px;
  background:#fff;color:var(--navy);border:2.5px solid var(--navy);
  font-family:var(--display);font-size:clamp(9px,1.05vw,12.5px);font-weight:900;letter-spacing:.08em;
  box-shadow:0 5px 0 rgba(16,31,68,.85);
}
.sticker-a{top:13%;right:2%;transform:rotate(7deg);background:var(--sky);animation:stick 5s ease-in-out infinite}
.sticker-b{top:30%;left:0;transform:rotate(-8deg);background:var(--pink);color:#fff;animation:stick 5s ease-in-out .8s infinite}
.spark{position:absolute;display:block;width:16px;height:16px;z-index:3}
.spark::before,.spark::after{content:"";position:absolute;background:var(--yellow);border-radius:3px}
.spark::before{left:6px;top:0;width:4px;height:16px}
.spark::after{left:0;top:6px;width:16px;height:4px}
.s1{left:8%;top:23%;transform:rotate(12deg) scale(.8);animation:twinkle 2.6s infinite}
.s2{right:12%;bottom:27%;transform:rotate(-18deg);animation:twinkle 3.1s .5s infinite}
.s3{right:2%;bottom:42%;transform:rotate(28deg) scale(.62);animation:twinkle 2.2s .9s infinite}
.hero-tag{
  position:absolute;z-index:4;bottom:11%;left:6%;
  display:flex;flex-direction:column;gap:2px;padding:10px 16px;border-radius:12px;
  background:rgba(255,255,255,.95);border:2px solid rgba(16,31,68,.14);
  box-shadow:0 10px 24px rgba(7,22,51,.18);
  transform:rotate(-2deg);
}
.hero-tag-name{font-weight:900;color:var(--navy);font-size:clamp(11px,1.2vw,15px);letter-spacing:.06em}
.hero-tag-role{font-size:clamp(8px,.88vw,10px);font-weight:700;color:var(--muted);letter-spacing:.04em}

.screen-modal{
  background:rgba(7,20,44,.64);
  backdrop-filter:blur(9px) saturate(1.05);
  padding:clamp(12px,3vw,34px);
}
.card{
  position:relative;background:var(--paper);border:3px solid var(--navy);
  border-radius:26px;padding:clamp(22px,3.4vw,38px);
  width:min(980px,100%);max-height:94%;
  overflow:auto;overscroll-behavior:contain;
  box-shadow:0 16px 0 rgba(8,22,50,.3),0 40px 80px rgba(0,0,0,.25);
  animation:cardIn .32s cubic-bezier(.2,.85,.3,1) both;
  scrollbar-width:thin;
}
.card-narrow{width:min(620px,100%)}
.card-wide{width:min(1020px,100%)}
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}
.card-logo{width:clamp(118px,14vw,186px);height:auto;margin-top:4px}
.eyebrow{margin:0 0 6px;font-family:var(--display);font-size:10.5px;letter-spacing:.26em;color:var(--blue);font-weight:900}
.card h2{margin:0;font-size:clamp(26px,3.2vw,40px);line-height:1.06;font-weight:900;color:var(--navy);letter-spacing:-.02em}
.card-sub{margin:10px 0 0;color:var(--muted);font-size:clamp(12px,1.15vw,14px);line-height:1.75}
.mechanics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0 24px}
.mech{
  background:var(--cream);border:2px solid var(--line);border-radius:18px;padding:18px 18px 16px;
}
.mech-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:12px;
  border:2px solid var(--navy);box-shadow:0 4px 0 rgba(16,31,68,.16);
}
.mech-icon svg{width:29px;height:29px}
.icon-beat{background:var(--sky);color:var(--navy)}
.icon-drop{background:var(--pink);color:#fff}
.icon-yoyo{background:var(--yellow);color:var(--navy)}
.mech h3{margin:0 0 7px;font-size:15px;font-weight:900;color:var(--navy);letter-spacing:.02em}
.mech p{margin:0;font-size:12.5px;line-height:1.75;color:#4F6482;font-weight:600}
.mech b{color:var(--blue-deep)}
.help-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:24px;margin-top:8px}
.control-block h4,.rule-block h4{margin:0 0 12px;font-size:13px;letter-spacing:.12em;color:var(--navy);font-weight:900}
.control-row{display:flex;align-items:center;gap:14px;padding:8px 0;border-bottom:1px dashed #E3EDF6;font-size:13px;color:#405574;font-weight:700}
.control-row:last-of-type{border-bottom:none}
.keys{display:flex;gap:5px;min-width:104px}
.key{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:28px;height:27px;padding:0 8px;border:2px solid var(--navy);border-radius:7px;
  background:#fff;box-shadow:0 3px 0 var(--navy);font-size:11px;font-weight:900;color:var(--navy);
  font-family:var(--font);
}
.key-sm{min-width:22px;height:22px;font-size:10px;display:inline-flex;margin:0 2px;vertical-align:-4px;box-shadow:0 2px 0 var(--navy)}
.touch-note{margin:12px 0 0;font-size:11px;color:#8CA0B8;font-weight:600}
.rule-list{margin:0;padding-left:18px;font-size:12.5px;line-height:1.8;color:#4F6482;font-weight:600}
.rule-list li{margin-bottom:5px}
.rule-list b{color:var(--yellow-deep)}
.tip-strip{
  margin-top:14px;padding:11px 14px;border-radius:12px;background:#FFF8DC;border:1.5px solid #F5DE9B;
  font-size:11.5px;line-height:1.6;color:#7A5A0A;font-weight:600;
}
.tip-strip span{
  display:inline-block;background:var(--yellow);border-radius:5px;color:var(--navy);font-weight:900;
  padding:1px 7px;margin-right:6px;font-size:10.5px;
}
.card-actions{display:flex;align-items:center;gap:10px;margin-top:24px;flex-wrap:wrap}
.card-actions .btn{padding:13px 22px;font-size:14px}
.pause-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
.pause-actions .btn{width:100%}
.pause-actions .btn-quiet{grid-column:1/-1;justify-self:center}
.rank-stars{display:flex;justify-content:center;gap:12px;margin:20px 0 6px}
.rank-star{width:clamp(46px,6vw,64px);height:clamp(46px,6vw,64px);filter:drop-shadow(0 4px 0 rgba(16,31,68,.18))}
.rank-star polygon{fill:#E4EDF5;stroke:#C6D6E4;stroke-width:2;transition:fill .3s}
.rank-star.on polygon{fill:var(--yellow);stroke:var(--navy)}
.rank-star.on{animation:starPop .5s cubic-bezier(.2,1.5,.4,1) both}
.rank-star.on:nth-child(2){animation-delay:.12s}
.rank-star.on:nth-child(3){animation-delay:.24s}
@keyframes starPop{0%{transform:scale(.4) rotate(-18deg);opacity:0}100%{transform:scale(1) rotate(0);opacity:1}}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin:16px 0 0}
.stat{
  background:var(--cream);border:1.5px solid var(--line);border-radius:13px;
  padding:12px 10px;text-align:center;
}
.stat .label{display:block;font-size:10px;color:#8194AC;font-weight:800;letter-spacing:.06em;margin-bottom:4px}
.stat .value{font-size:clamp(17px,2vw,23px);font-weight:900;color:var(--navy);font-family:var(--display);letter-spacing:.01em}
.stat .value small{font-size:10px;color:#8194AC;font-family:var(--font);margin-left:2px;font-weight:700}
.star-hint{margin-top:12px;text-align:center;font-size:11.5px;color:#8AA0B8;font-weight:600}
.ending-card{overflow:hidden}
.ending-grid{display:grid;grid-template-columns:1.16fr .84fr;gap:22px;align-items:center}
.ending-art{position:relative;display:flex;align-items:center;justify-content:center;min-height:260px}
.ending-halo{
  position:absolute;width:min(26vw,300px);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(251,211,73,.55),rgba(251,211,73,.08) 60%,transparent 72%);
}
.ending-art img{position:relative;width:min(22vw,260px);height:auto;filter:drop-shadow(0 18px 24px rgba(16,31,68,.25));animation:floaty 4s ease-in-out infinite}
.ending-badge{
  position:absolute;right:0;top:8%;background:var(--pink);color:#fff;
  border:3px solid var(--navy);border-radius:12px;padding:9px 12px;
  font-family:var(--display);font-size:13px;line-height:1.05;letter-spacing:.08em;
  transform:rotate(7deg);box-shadow:0 5px 0 rgba(16,31,68,.85);text-align:center;
}

.touch-controls{
  position:absolute;left:0;right:0;bottom:max(12px,2.2vh);z-index:35;
  display:none;justify-content:space-between;align-items:flex-end;
  padding:0 max(14px,3vw);pointer-events:none;
}
.touch-left,.touch-right{display:flex;align-items:flex-end;gap:10px;pointer-events:auto}
.tbtn{
  border:2.5px solid rgba(16,31,68,.8);color:var(--navy);
  background:rgba(255,255,255,.72);backdrop-filter:blur(8px);
  border-radius:50%;width:64px;height:64px;font-size:23px;font-weight:900;
  display:grid;place-items:center;user-select:none;touch-action:none;
  box-shadow:0 5px 0 rgba(16,31,68,.28);
  transition:transform .08s, background .08s;
}
.tbtn.pressed{transform:translateY(3px);background:rgba(255,255,255,.95);box-shadow:0 2px 0 rgba(16,31,68,.28)}
.tbtn-jump{width:82px;height:82px;background:rgba(251,211,73,.9);font-size:24px}
.tbtn-throw{width:66px;height:66px;background:rgba(106,200,255,.88);font-size:13px;letter-spacing:.02em}
.tbtn-drop{width:62px;height:46px;border-radius:16px;background:rgba(255,123,174,.9);color:#fff;font-family:var(--display);font-size:10px;letter-spacing:.1em;align-self:center}
.portrait-hint{display:none}

@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-11px)}}
@keyframes stick{0%,100%{transform:rotate(7deg) translateY(0)}50%{transform:rotate(4deg) translateY(-6px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes twinkle{0%,100%{opacity:.25;transform:scale(.75) rotate(0)}50%{opacity:1;transform:scale(1) rotate(45deg)}}
@keyframes riseIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes cardIn{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}

@media (max-width:1000px){
  .stage{border-radius:0}
  .title-grid{grid-template-columns:1.16fr .84fr;padding-top:86px}
  .hero-tag{display:none}
  .sticker-a{right:-2%}
  .mechanics{gap:10px}
  .mech{padding:14px}
  .help-grid{grid-template-columns:1fr;gap:16px}
  .stat-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:760px){
  .brandbar-tag{display:none}
  .title-grid{grid-template-columns:1fr;padding-top:78px;align-content:center}
  .title-hero{position:absolute;right:-8%;bottom:6%;width:52%;height:auto;opacity:.36;pointer-events:none}
  .hero-img{width:min(46vw,300px);max-height:none}
  .hero-sun{width:min(40vw,240px)}
  .hero-tag,.sticker-b,.ring-b{display:none}
  .title-copy{max-width:560px}
  .title-cn{font-size:11px}
  .lead{max-width:30em;font-size:12px}
  .title-foot{font-size:9px;gap:8px;bottom:12px}
  .best-line{display:none}
  .card{border-radius:20px}
  .mechanics{grid-template-columns:1fr;gap:8px;margin:16px 0}
  .mech{display:grid;grid-template-columns:40px 1fr;gap:2px 12px;padding:12px 14px;align-items:center}
  .mech-icon{width:40px;height:40px;border-radius:11px;grid-row:1/3;margin:0}
  .mech-icon svg{width:24px;height:24px}
  .mech h3{margin:0;font-size:13px}
  .mech p{font-size:11px;line-height:1.6}
  .help-grid{display:none}
  .control-row{font-size:12px;padding:6px 0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .ending-grid{grid-template-columns:1fr}
  .ending-art{display:none}
  .card-actions .btn{flex:1 1 auto;padding:12px 16px}
}
@media (max-height:560px){
  .title-grid{padding-top:70px;padding-bottom:26px}
  .game-title{font-size:clamp(40px,7vw,76px)}
  .lead{display:none}
  .title-actions{margin-top:14px}
  .level-row{margin-top:12px}
  .card{max-height:96%;padding:18px 24px}
  .mechanics{margin:12px 0}
  .mech p{line-height:1.55}
  .rank-stars{margin:12px 0 4px}
  .stat-grid{margin-top:10px}
  .card-actions{margin-top:16px}
}
@media (hover:none) and (pointer:coarse){
  .stage.playing .touch-controls{display:flex}
  .top-controls{top:12px;right:12px}
  .icon-btn{width:38px;height:38px}
}
@media (orientation:portrait) and (hover:none) and (pointer:coarse){
  .portrait-hint{
    display:block;position:absolute;top:12px;left:50%;transform:translateX(-50%);
    z-index:26;font-size:10.5px;font-weight:800;color:var(--navy);
    background:rgba(251,211,73,.92);border:1.5px solid var(--navy);
    border-radius:999px;padding:5px 12px;pointer-events:none;
  }
  .toast-layer{bottom:26%}
  .tbtn{width:56px;height:56px;font-size:20px}
  .tbtn-jump{width:70px;height:70px}
  .tbtn-throw{width:58px;height:58px;font-size:11px}
  .tbtn-drop{width:54px;height:40px;font-size:9px}
}
.rotate-gate{
  display:none;position:fixed;inset:0;z-index:999;
  align-items:center;justify-content:center;flex-direction:column;gap:12px;
  background:
    radial-gradient(circle at 50% 35%,rgba(23,147,220,.5),transparent 46%),
    #08182F;
  color:#fff;text-align:center;padding:28px;
}
.rotate-gate img{width:132px;height:auto;filter:drop-shadow(0 12px 18px rgba(0,0,0,.3));animation:floaty 3.4s ease-in-out infinite}
.rotate-gate h3{margin:0;font-size:22px;font-weight:900}
.rotate-gate p{margin:0;font-size:13px;color:rgba(255,255,255,.65);line-height:1.7}
.rotate-icon{
  width:54px;height:34px;border:3px solid var(--yellow);border-radius:8px;position:relative;
  transform:rotate(90deg);
}
.rotate-icon::after{content:"";position:absolute;right:-12px;top:50%;width:8px;height:8px;border-top:3px solid var(--yellow);border-right:3px solid var(--yellow);transform:translateY(-50%) rotate(45deg)}

@container stage (max-height:620px){
  .brandbar{top:14px;left:4.5cqw;right:4.5cqw}
  .brandbar-logo{width:clamp(126px,17cqw,190px)}
  .brandbar-tag{font-size:8.5px;padding:5px 10px;letter-spacing:.16em}
  .title-grid{padding:58px 4.5cqw 32px;gap:2cqw}
  .title-copy{max-width:39cqw;animation:none}
  .kicker{font-size:8.5px;margin-bottom:7px;letter-spacing:.22em}
  .game-title{font-size:clamp(36px,6.5cqw,66px)}
  .title-en{margin-top:8px;font-size:8.5px;letter-spacing:.32em}
  .title-cn{margin-top:8px;font-size:10px;padding:5px 10px;gap:6px;border-radius:6px}
  .lead{display:none}
  .title-actions{margin-top:13px;gap:8px}
  .title-actions .btn{padding:11px 18px;font-size:12px;border-width:2.5px;border-radius:12px}
  .level-row{margin-top:10px;gap:6px}
  .level-chip{padding:5px 8px 5px 5px;font-size:9.5px;gap:5px;border-radius:9px}
  .level-chip .num{min-width:28px;height:21px;font-size:9px;border-radius:5px}
  .event-strip{margin-top:9px;padding:5px 8px;gap:5px;border-radius:8px;box-shadow:0 3px 0 rgba(7,22,48,.18)}
  .event-badge{font-size:10px;padding:3px 6px;border-width:1.5px;box-shadow:0 1.5px 0 rgba(16,31,68,.75)}
  .event-copy{font-size:9px}
  .event-tag{font-size:8.5px;padding:1px 6px}
  .event-dot{width:2.5px;height:2.5px}
  .event-cursor{height:10px}
  .best-line{display:none}
  .title-foot{bottom:8px;left:4.5cqw;right:4.5cqw;font-size:8.5px;gap:9px}
  .hero-img{width:min(31cqw,300px);max-height:84%}
  .hero-sun{width:min(25cqw,262px)}
  .hero-halo{width:min(35cqw,420px)}
  .ring-a{width:min(33cqw,380px)}
  .ring-b{display:none}
  .sticker{font-size:8.5px;padding:6px 10px;border-width:2px;box-shadow:0 4px 0 rgba(16,31,68,.85)}
  .sticker-a{top:7%;right:-1%}
  .sticker-b{top:27%;left:-2%}
  .title-hero{min-height:0}
  .spark{display:none}
}
@container stage (max-height:620px){
  .screen-modal{padding:10px}
  .card{padding:18px 22px;max-height:98%}
  .card h2{font-size:24px}
  .card-sub{font-size:11px;line-height:1.6;margin-top:6px}
  .eyebrow{font-size:9px;margin-bottom:4px}
  .rank-stars{gap:8px;margin:10px 0 2px}
  .rank-star{width:44px;height:44px}
  .stat-grid{gap:6px;margin-top:10px}
  .stat{padding:8px 6px;border-radius:10px}
  .stat .label{font-size:9px;margin-bottom:2px}
  .stat .value{font-size:17px}
  .card-actions{margin-top:12px;gap:8px}
  .card-actions .btn{padding:10px 15px;font-size:12px;border-width:2.5px}
  .star-hint{font-size:10.5px;margin-top:8px}
  .ending-art{min-height:200px}
  .ending-art img{width:min(20vw,200px)}
  #screen-help{padding:10px}
  #screen-help .card{padding:16px 20px;max-height:98%}
  #screen-help .card-head{margin-bottom:12px}
  #screen-help .card h2{font-size:24px}
  #screen-help .eyebrow{font-size:9px;margin-bottom:4px}
  #screen-help .card-logo{width:110px}
  #screen-help .mechanics{margin:10px 0 12px;gap:8px}
  #screen-help .mech{padding:12px}
  #screen-help .mech-icon{width:36px;height:36px;border-radius:10px;margin-bottom:8px;box-shadow:0 3px 0 rgba(16,31,68,.16)}
  #screen-help .mech-icon svg{width:22px;height:22px}
  #screen-help .mech h3{font-size:13px;margin-bottom:4px}
  #screen-help .mech p{font-size:10.5px;line-height:1.55}
  #screen-help .help-grid{gap:16px}
  #screen-help .control-block h4,#screen-help .rule-block h4{margin-bottom:7px;font-size:11.5px}
  #screen-help .control-row{padding:4px 0;font-size:11.5px}
  #screen-help .key{height:22px;min-width:24px;font-size:10px}
  #screen-help .rule-list{font-size:11px;line-height:1.6}
  #screen-help .tip-strip{padding:8px 10px;font-size:10.5px;margin-top:8px}
  #screen-help .card-actions{
    position:sticky;bottom:-16px;z-index:2;background:#fff;
    margin-top:12px;padding:10px 0 2px;
  }
}
@container stage (max-width:640px){
  .title-grid{grid-template-columns:1fr;padding:48px 5cqw 26px}
  .title-copy{max-width:100%}
  .title-hero{position:absolute;right:-10%;bottom:4%;width:50%;height:auto;opacity:.3;pointer-events:none}
  .hero-img{width:min(44cqw,240px)}
  .title-foot{font-size:8px}
}
@media (orientation:portrait) and (hover:none) and (pointer:coarse){
  .rotate-gate{display:flex}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* flat square interface */
.stage,
.card,
.btn,
.icon-btn,
.level-banner,
.toast,
.level-chip,
.level-chip .num,
.title-cn,
.brandbar-tag,
.sticker,
.event-strip,
.event-badge,
.event-tag,
.event-cursor,
.mech,
.mech-icon,
.key,
.tip-strip,
.stat,
.ending-badge,
.tbtn,
.portrait-hint,
.rotate-icon{
  border-radius:0;
}