/* 歪马运动会 DOODLE DERBY — 统一视觉 */
:root{
  --bg:#FBF8EE; --primary:#335CFF; --ink:#182C44; --pale:#DFEAFE;
  --orange:#F28C4B; --teal:#168A87; --pen:#E67D35;
  --white:#FFFFFF;
  --line:#D7E3FA;
  --shadow:0 6px 18px rgba(24,44,68,.08);
  --radius:18px;
  --font:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC","Hiragino Sans GB",sans-serif;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink); font-family:var(--font);
  -webkit-font-smoothing:antialiased; overscroll-behavior-y:contain;
}
img{max-width:100%; display:block}
button{font-family:inherit; color:inherit}
h1,h2,h3,p,ol,ul{margin:0; padding:0}
ol,ul{list-style:none}
:focus-visible{outline:3px solid rgba(51,92,255,.45); outline-offset:2px; border-radius:8px}
.num{font-variant-numeric:tabular-nums; font-feature-settings:"tnum"}

/* ---------- 通用按钮 ---------- */
.btn-primary{
  background:var(--primary); color:#fff; border:2px solid var(--primary);
  border-radius:14px; font-weight:700; cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  transition:transform .12s ease, box-shadow .12s ease, filter .12s ease;
}
.btn-primary:hover{filter:brightness(1.06); box-shadow:0 8px 20px rgba(51,92,255,.28)}
.btn-primary:active{transform:translateY(2px)}
.btn-primary.block{width:100%}
.btn-primary.big{font-size:22px; padding:16px 18px}
.btn-primary .arrow{font-weight:400}
.btn-secondary{
  background:#fff; color:var(--primary); border:2px solid var(--primary);
  border-radius:14px; font-weight:700; cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  transition:transform .12s ease, background .12s ease;
}
.btn-secondary:hover{background:#F3F7FF}
.btn-secondary:active{transform:translateY(2px)}
.btn-secondary.block{width:100%}
.link-btn{
  background:none; border:0; color:var(--ink); font-weight:600; cursor:pointer;
  padding:10px 12px; border-radius:10px; font-size:15px;
}
.link-btn:hover{background:rgba(51,92,255,.08); color:var(--primary)}
.icon-btn{
  background:#fff; border:2px solid var(--line); color:var(--ink); border-radius:12px;
  width:44px; height:44px; display:inline-grid; place-items:center; cursor:pointer; flex:none;
}
.icon-btn svg{width:22px;height:22px}
.icon-btn:hover{border-color:var(--primary); color:var(--primary)}
.icon-btn[aria-pressed="false"]{opacity:.5}
.icon-btn[aria-pressed="false"] svg path:last-of-type{display:none}

/* ---------- 屏幕与顶栏 ---------- */
.screen{min-height:100vh; min-height:100dvh; display:flex; flex-direction:column}
[hidden]{display:none !important}
.topbar{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:18px 32px; border-bottom:2px solid var(--primary);
}
.brand{display:flex; align-items:center; gap:12px; min-width:0}
.brand-mark{width:78px; height:47px; flex:none}
.brand-words{display:flex; flex-direction:column; line-height:1.05; min-width:0}
.brand-words b{font-size:22px; font-weight:800; letter-spacing:.02em}
.brand-words i{font-style:normal; font-size:11px; letter-spacing:.22em; color:var(--primary); font-weight:700}
.topbar-actions{display:flex; align-items:center; gap:10px}
.step-track{font-size:14px; font-weight:700; color:#9FB4D8; display:flex; gap:8px; align-items:center}
.step-track b{color:var(--primary); position:relative}
.step-track b::after{content:""; position:absolute; left:0; right:0; bottom:-6px; height:3px; background:var(--primary); border-radius:2px}
.step-track i{font-style:normal}
.q{display:inline-grid; place-items:center; width:18px;height:18px; border:2px solid currentColor; border-radius:50%; font-size:11px; vertical-align:1px}

/* ---------- 首页 ---------- */
#screen-home{padding:0 0 24px; overflow-x:hidden}
.home-hero{
  display:grid; grid-template-columns:minmax(0,1fr) minmax(0,520px); gap:24px;
  padding:14px 60px 0; align-items:start; position:relative; z-index:2;
}
.home-kicker{color:var(--orange); font-weight:800; font-size:19px; display:flex; align-items:center; gap:10px; margin-bottom:6px}
.home-kicker .dash{width:26px;height:3px;background:var(--orange);border-radius:2px}
.home-title{
  font-size:76px; line-height:1.02; font-weight:900; letter-spacing:.01em;
  color:var(--ink); margin:0 0 12px;
}
.home-sub{font-size:26px; font-weight:600; color:var(--ink); max-width:520px; line-height:1.45}
.home-sub b{color:var(--primary)}
.home-tagline{margin-top:22px; display:flex; align-items:center; gap:10px}
.pill-outline{
  border:2px solid var(--primary); color:var(--primary); border-radius:999px;
  padding:8px 18px; font-weight:800; font-size:18px; display:inline-flex; gap:.4em; align-items:center;
}
.pill-outline i{font-style:normal; color:var(--orange)}
.home-tagline .heart{color:var(--primary); font-size:20px}

.home-right{
  position:relative; min-width:0; padding-top:8px;
  display:grid; grid-template-columns:1fr 1fr; gap:12px 24px;
  grid-template-areas:"banner banner" "horse horse" "english note" "finish finish";
}
.home-banner{
  grid-area:banner; justify-self:end; margin:0 8px 4px; background:var(--orange); color:#fff;
  font-weight:900; font-size:20px; line-height:1.2; padding:14px 18px; border-radius:6px;
  transform:rotate(4deg); box-shadow:var(--shadow); text-align:center;
}
.hero-canvas{grid-area:horse; display:block; width:100%; height:210px; min-width:0}
.home-note{font-size:14px; font-weight:700; color:#5C789E; line-height:1.4}
.note-1{grid-area:note; justify-self:end; text-align:right}
.note-2{grid-area:english; color:var(--primary); font-size:13px; letter-spacing:.06em}
.note-3{grid-area:finish; justify-self:end; text-align:right}
.note-4{display:none}

.home-track{position:relative; margin:24px 0 0; padding:0; height:280px; flex:none; z-index:1}
/* Keep the SVG flags, distance labels, and animated horses in separate bands.
   A fixed SVG mapping prevents its embedded flags moving when the viewport widens. */
.track-art{position:absolute; left:0; top:40px; width:100%; height:240px; object-fit:fill}
.track-art-mobile{display:none}
.track-marks{
  position:absolute; left:0; right:0; top:56px; display:flex; justify-content:space-between;
  padding:0 12%; font-weight:800; color:var(--primary); font-size:15px;
}
.track-horses{position:absolute; left:0; right:0; top:0; bottom:0}
.home-horse-canvas{position:absolute; top:160px; height:92px; width:min(22%,230px)}
.home-horse-canvas[data-pos="1"]{left:9%}
.home-horse-canvas[data-pos="2"]{left:39%}
.home-horse-canvas[data-pos="3"]{left:66%}
.track-flag{position:absolute; right:4%; top:96px; width:40px}
.track-slogan{
  position:absolute; left:9%; top:0; font-weight:800; color:var(--ink); font-size:17px; line-height:1.25;
  max-width:130px;
}
.track-slogan-mobile{display:none}

.home-cta{
  display:flex; align-items:center; gap:22px; padding:6px 60px 0; flex-wrap:wrap;
}
.btn-home-main{font-size:26px; padding:22px 34px; border-radius:18px}
.home-cta .btn-secondary{font-size:22px; padding:20px 30px; border-radius:18px}
.home-hint{font-size:16px; color:#5C789E; font-weight:600}

.home-steps{
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px;
  padding:8px 60px 0; border-top:2px dashed var(--line); margin-top:8px;
}
.home-steps li{position:relative; padding:8px 6px 2px; display:flex; flex-direction:column; gap:2px}
.home-steps li + li{border-left:2px solid var(--line)}
.home-steps b{color:var(--primary); font-size:15px; letter-spacing:.16em; font-weight:800}
.home-steps .step-ico{font-size:26px; height:34px; display:flex; align-items:center; gap:2px}
.home-steps .step-ico i{font-style:normal; font-size:18px; color:var(--orange)}
.home-steps strong{font-size:20px; font-weight:800}
.home-steps em{font-style:normal; font-size:14px; color:#5C789E; font-weight:600}
.home-last{padding:10px 60px 0; font-size:15px; font-weight:700; color:#5C789E}
.home-footer{
  margin-top:auto; display:flex; justify-content:space-between; align-items:center; gap:12px;
  padding:12px 60px 0; font-size:13px; color:#8AA0BF; font-weight:700; letter-spacing:.04em;
}
.foot-brand{color:var(--primary); letter-spacing:.16em}

/* ---------- 画室 ---------- */
#screen-studio{padding:0 24px 24px}
.studio-topbar{padding:14px 24px}
.brand-center{margin:0 auto}
.studio-body{
  display:grid; grid-template-columns:minmax(0,1fr) 420px; gap:28px;
  padding:24px 8px 0; flex:1; min-height:0;
}
.studio-title-row{display:flex; justify-content:space-between; align-items:flex-start; gap:20px; margin-bottom:18px}
.page-title{font-size:56px; font-weight:900; line-height:1.12; letter-spacing:.01em}
.page-sub{font-size:21px; font-weight:600; color:#5C789E; margin-top:8px}
.arrow-right{color:var(--orange); font-weight:800}
.starburst{
  position:relative; background:#FFF3E6; color:var(--orange); font-weight:900; font-size:19px;
  padding:16px 18px; line-height:1.15; text-align:center; border-radius:8px; transform:rotate(6deg);
  flex:none; box-shadow:0 0 0 3px #FFE1C4;
}
.starburst span{display:block}

.canvas-wrap{
  position:relative; background:#fff; border:2px solid var(--line); border-radius:16px;
  box-shadow:var(--shadow); overflow:hidden; aspect-ratio:1000/600;
}
#draw-canvas{display:block; width:100%; height:100%; touch-action:none; cursor:crosshair}
.canvas-empty-hint{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  background:rgba(24,44,68,.86); color:#fff; font-weight:700; font-size:15px;
  padding:10px 16px; border-radius:999px; pointer-events:none;
}

.toolbar{
  display:flex; align-items:center; gap:14px; flex-wrap:wrap;
  margin-top:14px; background:#fff; border:2px solid var(--line); border-radius:14px; padding:10px 14px;
}
.tool-group{display:flex; align-items:center; gap:8px}
.tool-group + .tool-group{padding-left:14px; border-left:2px solid var(--line)}
.tool-btn{
  display:inline-flex; align-items:center; gap:7px; background:#fff; border:2px solid var(--line);
  border-radius:12px; padding:9px 14px; font-weight:700; font-size:15px; cursor:pointer; color:var(--ink);
}
.tool-btn svg{width:19px;height:19px}
.tool-btn:hover{border-color:var(--primary); color:var(--primary)}
.tool-btn.on{background:var(--pale); border-color:var(--primary); color:var(--primary)}
.width-btn{
  width:40px;height:40px; border-radius:12px; border:2px solid var(--line); background:#fff;
  display:grid; place-items:center; cursor:pointer;
}
.width-btn i{display:block; background:var(--ink); border-radius:50%}
.width-btn.on{border-color:var(--primary); background:var(--pale)}
.width-btn.on i{background:var(--primary)}
.color-btn{width:34px;height:34px;border-radius:50%;border:3px solid #fff; box-shadow:0 0 0 2px var(--line); background:var(--sw); cursor:pointer}
.color-btn.on{box-shadow:0 0 0 3px var(--sw)}
.tool-tip{margin-left:auto; font-size:13px; color:#8AA0BF; font-weight:600}

.entry-panel{
  background:var(--pale); border-radius:20px; padding:26px 24px; display:flex; flex-direction:column; gap:14px;
  align-self:start; position:sticky; top:16px;
}
.panel-title{font-size:26px; font-weight:900}
.panel-sub{font-size:19px; font-weight:800; margin-top:2px}
.field-label{display:flex; justify-content:space-between; align-items:center; font-size:15px; font-weight:700; color:#3E5B82; margin-bottom:8px}
.mini-link{background:none;border:0;color:var(--primary);font-weight:800;font-size:14px;cursor:pointer;padding:6px 8px;border-radius:8px;min-height:32px}
.mini-link:hover{background:rgba(51,92,255,.12)}
.input-wrap{position:relative; display:flex; align-items:center}
#horse-name{
  width:100%; font-family:inherit; font-size:19px; font-weight:700; color:var(--ink);
  padding:13px 40px 13px 14px; border:2px solid #C4D6F7; border-radius:12px; background:#fff;
}
#horse-name:focus{outline:none; border-color:var(--primary); box-shadow:0 0 0 4px rgba(51,92,255,.16)}
.clear-input{
  position:absolute; right:8px; width:28px;height:28px; border:0; border-radius:50%; background:#E7EEFC;
  color:#5C789E; font-size:17px; cursor:pointer; line-height:1;
}
.clear-input:hover{background:var(--primary); color:#fff}
.field-note{font-size:13px; color:#5C789E; margin-top:6px; font-weight:600}
.field-note.warn{color:#D2542B}
.preview-box{
  background:#fff; border-radius:14px; border:2px solid #C4D6F7; padding:10px 12px 6px; position:relative; overflow:hidden;
}
#preview-canvas{display:block; width:100%; height:104px}
.preview-note{font-size:13px; color:#5C789E; font-weight:600; margin-top:-4px}
.dice{font-size:18px}
.save-state{display:flex; align-items:center; gap:8px; font-size:13px; color:#4A6B99; font-weight:700}
.save-state .tick{
  width:20px;height:20px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:12px;
}
.save-state.warn{color:#D2542B}
.save-state.warn .tick{background:#D2542B}

/* ---------- 比赛 ---------- */
#screen-race{padding:0 24px 18px; position:relative; overflow:hidden}
.race-topbar{padding:12px 16px}
.race-slogan{font-size:13px; font-weight:800; color:var(--primary); line-height:1.2; text-align:right; max-width:110px}
.race-head{display:flex; align-items:flex-end; justify-content:space-between; gap:20px; padding:16px 10px 0; flex-wrap:wrap}
.race-title{font-size:44px; font-weight:900; display:flex; align-items:center; gap:14px}
.chip{
  background:var(--primary); color:#fff; font-size:14px; font-weight:800; border-radius:8px; padding:5px 10px;
  letter-spacing:.04em;
}
.hud{display:flex; gap:10px; flex-wrap:wrap}
.hud-item{
  background:#fff; border:2px solid var(--line); border-radius:14px; padding:6px 16px; min-width:108px;
  display:flex; flex-direction:column; line-height:1.1;
}
.hud-item b{font-size:28px; font-weight:900; color:var(--ink); font-variant-numeric:tabular-nums}
.hud-item b i{font-style:normal; font-size:15px; color:#5C789E; margin-left:2px}
.hud-item span{font-size:12px; color:#5C789E; font-weight:700; margin-top:2px}
.hud-item.combo b{color:var(--orange)}
.hud-item b .rank-pre{font-size:16px; color:var(--primary); margin-right:1px}
.hud-item b .rank-num{color:var(--orange)}
.hud-item b .rank-suf{font-size:16px; color:var(--primary); margin-left:1px}

.race-main{display:grid; grid-template-columns:240px minmax(0,1fr); gap:0; margin-top:12px; flex:0 1 auto; min-height:0; height:min(50vh, 520px)}
.lane-labels{display:flex; flex-direction:column; gap:8px; padding-right:14px}
.lane-label{
  flex:1; min-height:0; display:flex; align-items:center; gap:12px; padding:0 10px;
  background:#fff; border:2px solid var(--line); border-radius:12px; overflow:hidden;
}
.lane-label .ln{
  width:30px;height:30px; flex:none; border-radius:8px; background:var(--pale); color:var(--primary);
  display:grid; place-items:center; font-weight:900; font-size:16px;
}
.lane-label .nm{font-weight:800; font-size:17px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.lane-label .you{
  flex:none; background:var(--primary); color:#fff; font-size:12px; font-weight:800; border-radius:6px; padding:2px 7px;
}
.lane-label.is-player{background:var(--pale); border-color:#B9CFFA}
.lane-label.is-ghost{background:#F3F6FB; border-style:dashed; color:#7E93B5}
.lane-label.is-ghost .nm{color:#7E93B5}
.lane-label.is-ghost .ln{background:#E3EAF6;color:#7E93B5}

.arena{position:relative; background:#fff; border:2px solid var(--line); border-radius:16px; overflow:hidden; min-height:300px}
#race-canvas{display:block; width:100%; height:100%}
.countdown{
  position:absolute; inset:0; display:grid; place-items:center; background:rgba(251,248,238,.72); z-index:5;
}
.countdown b{font-size:96px; font-weight:900; color:var(--primary); animation:pop .9s ease}
@keyframes pop{0%{transform:scale(.4);opacity:0}30%{transform:scale(1.08);opacity:1}100%{transform:scale(1);opacity:.85}}
.pause-veil,.result-veil,.share-veil{
  position:absolute; inset:0; background:rgba(24,44,68,.55); display:grid; place-items:center; z-index:8; padding:20px;
  overflow:auto;
}
.veil-card{
  background:var(--bg); border-radius:20px; padding:34px 40px; text-align:center; display:flex; flex-direction:column; gap:12px;
  box-shadow:var(--shadow); min-width:320px;
}
.veil-card h2{font-size:32px; font-weight:900}
.veil-card p{color:#5C789E; font-weight:600}

.judge-row{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:8px 10px 0; min-height:36px}
.judge-pop{font-size:30px; font-weight:900; color:var(--orange); min-height:38px; display:flex; align-items:center; gap:10px}
.judge-pop .combo-num{color:var(--primary); font-size:24px}
.judge-pop.flash{animation:flash .4s ease}
@keyframes flash{0%{transform:scale(1.25)}100%{transform:scale(1)}}
.judge-hint{font-size:14px; color:#5C789E; font-weight:700; display:flex; align-items:center; gap:8px}
.judge-hint .hand{color:var(--orange); font-size:18px}

.rhythm{padding:6px 10px 0}
.rhythm-head{font-size:16px; font-weight:900; text-align:center; margin-bottom:8px; display:flex; align-items:center; justify-content:center; gap:10px}
.rhythm-head .stars{color:var(--orange)}
.rhythm-track{
  position:relative; height:44px; background:#EAF1FD; border-radius:999px; border:2px solid #CFDDF8; overflow:hidden;
}
.rhythm-track .seg{position:absolute; top:0; bottom:0}
.seg-good{background:#CFE0FE}
.seg-perfect{background:var(--orange)}
.seg-labels{position:absolute; inset:0; pointer-events:none}
.seg-labels span{position:absolute; top:50%; transform:translate(-50%,-50%); font-size:12px; font-weight:800; color:#3E5B82; white-space:nowrap}
.seg-labels span:nth-child(3){color:#fff}
.rhythm-pointer{
  position:absolute; top:-3px; bottom:-3px; width:8px; border-radius:6px; background:#fff;
  box-shadow:0 0 0 2px rgba(24,44,68,.35); left:0; transform:translateX(-50%);
}

.btn-accelerate{
  width:100%; margin-top:10px; padding:14px; border-radius:20px; flex-direction:column; gap:2px;
}
.btn-accelerate .big-label{font-size:24px; letter-spacing:.08em; font-weight:900; line-height:1.1}
.btn-accelerate .sub-label{font-size:12px; font-weight:700; opacity:.85; letter-spacing:.08em}
.btn-accelerate.hit{animation:hit .18s ease}
@keyframes hit{0%{transform:scale(.97)}100%{transform:scale(1)}}

.race-foot{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:8px 10px 0}
.race-foot .refresh{display:inline-block; margin-right:4px}
.wink{font-size:13px; color:#8AA0BF; font-weight:700}

/* 结算 / 分享 */
.result-card{
  background:var(--bg); border-radius:22px; padding:26px 30px; width:min(660px,100%);
  box-shadow:var(--shadow); display:flex; flex-direction:column; gap:16px;
}
.result-title{font-size:28px; font-weight:900; text-align:center}
.result-top{display:grid; grid-template-columns:230px minmax(0,1fr); gap:18px; align-items:center}
.result-art{background:#fff; border:2px solid var(--line); border-radius:14px; padding:8px}
#result-canvas{display:block; width:100%; height:150px}
.result-rank{font-size:40px; font-weight:900; color:var(--primary); line-height:1.05}
.result-time{font-size:24px; font-weight:800; margin-top:2px}
.result-diff{font-size:15px; font-weight:800; color:var(--orange); margin-top:4px}
.result-counts{display:grid; grid-template-columns:repeat(4,1fr); gap:8px; margin-top:12px}
.result-counts li{background:#fff; border:2px solid var(--line); border-radius:12px; padding:8px 4px; text-align:center}
.result-counts b{display:block; font-size:22px; font-weight:900}
.result-counts span{font-size:11px; color:#5C789E; font-weight:700}
.result-actions{display:flex; gap:10px; flex-wrap:wrap}
.result-actions button{flex:1; min-width:150px; padding:15px 10px; font-size:17px}

.share-card{
  background:var(--bg); border-radius:22px; padding:22px; width:min(420px,100%); box-shadow:var(--shadow);
  display:flex; flex-direction:column; gap:12px; text-align:center;
}
.share-card h2{font-size:24px; font-weight:900}
.share-art img{width:100%; height:auto; max-height:calc(100vh - 240px); object-fit:contain; border-radius:14px; border:2px solid var(--line); display:block}
.share-art{position:relative}
.share-loading{margin:0; padding:52px 10px; font-weight:800; color:var(--muted); background:#fff; border:2px dashed var(--line); border-radius:14px}
.share-text{font-size:14px; font-weight:700; color:var(--ink); background:#fff; border:2px dashed var(--line); border-radius:12px; padding:10px; word-break:break-all; user-select:all}
.share-actions{display:flex; gap:8px; flex-wrap:wrap; justify-content:center}
.share-actions button{padding:12px 14px; font-size:15px}
.share-dl a{color:var(--primary); font-weight:800}

/* ---------- 模态 / 提示 ---------- */
.modal-veil{position:fixed; inset:0; background:rgba(24,44,68,.5); display:grid; place-items:center; z-index:50; padding:18px}
.modal-card{background:var(--bg); border-radius:20px; padding:26px 28px; width:min(520px,100%); box-shadow:var(--shadow)}
.modal-card h2{font-size:26px; font-weight:900; margin-bottom:12px}
.modal-card h3{font-size:17px; font-weight:800; margin:14px 0 6px; color:var(--primary)}
.modal-card p,.modal-card li{font-size:15px; line-height:1.65; font-weight:600; color:#3E5B82}
.modal-card ol li{margin:4px 0; padding-left:22px; position:relative}
.modal-card ol li::before{content:"›"; position:absolute; left:6px; color:var(--orange); font-weight:900}
.modal-actions{display:flex; gap:10px; justify-content:flex-end; margin-top:18px; flex-wrap:wrap}
.modal-actions button{padding:12px 18px}
.toast-root{position:fixed; left:50%; transform:translateX(-50%); bottom:26px; z-index:80; display:flex; flex-direction:column; gap:8px; align-items:center; pointer-events:none}
.toast{
  background:var(--ink); color:#fff; font-weight:700; font-size:14px; padding:11px 18px; border-radius:999px;
  box-shadow:var(--shadow); max-width:82vw; text-align:center;
}
.toast.ok{background:var(--primary)}
.toast.err{background:#D2542B}

/* ---------- 响应式：桌面小窗 ---------- */
@media (max-width:1279px){
  .home-title{font-size:72px}
  .home-hero{grid-template-columns:minmax(0,1fr) minmax(0,400px); padding:22px 36px 0}
  .home-cta,.home-steps,.home-last,.home-footer{padding-left:36px; padding-right:36px}
  .page-title{font-size:44px}
  .studio-body{grid-template-columns:minmax(0,1fr) 360px}
  .race-title{font-size:36px}
  .hud-item b{font-size:26px}
}

/* ---------- 移动端 ---------- */
@media (max-width:860px), (pointer:coarse){
  .topbar{padding:12px 16px; border-bottom-width:2px}
  .brand-mark{width:56px; height:34px}
  .brand-words b{font-size:17px}
  .brand-words i{font-size:9px; letter-spacing:.14em}
  .link-btn{padding:10px; font-size:14px}
  .icon-btn{width:44px;height:44px}
  .step-track{display:none}

  #screen-home{padding-bottom:calc(18px + var(--safe-b))}
  .home-hero{grid-template-columns:1fr; padding:14px 18px 0; gap:8px}
  .home-kicker{font-size:14px}
  .home-title{font-size:48px; margin-bottom:8px}
  .home-sub{font-size:17px}
  .home-tagline{margin-top:12px}
  .pill-outline{font-size:14px; padding:6px 14px}
  .home-right{margin-top:16px; gap:12px 16px}
  .home-banner{font-size:14px; padding:9px 12px}
  .hero-canvas{height:164px}
  .home-note{font-size:12px}
  .note-2{font-size:11px}

  .home-track{margin-top:24px; height:260px}
  .track-art{height:220px}
  .track-art-desktop{display:none}
  .track-art-mobile{display:block}
  .track-marks{top:48px; font-size:12px; padding:0 8%}
  .home-horse-canvas{top:148px; height:74px; width:25%}
  .home-horse-canvas[data-pos="1"]{left:6%}
  .home-horse-canvas[data-pos="2"]{left:34%}
  .home-horse-canvas[data-pos="3"]{left:62%}
  .track-flag{width:26px; right:2%; top:96px}
  .track-slogan{display:none}
  .track-slogan-mobile{
    display:block; position:absolute; left:18px; top:0; font-weight:900; font-size:15px; color:var(--ink);
    line-height:1.2;
  }
  .home-cta{flex-direction:column; align-items:stretch; padding:14px 18px 0; gap:12px}
  .btn-home-main,.home-cta .btn-secondary{width:100%; font-size:21px; padding:17px}
  .home-hint{text-align:center; font-size:14px}
  .home-steps{grid-template-columns:1fr; padding:16px 18px 0; margin-top:16px; gap:0}
  .home-steps li{flex-direction:row; align-items:center; gap:12px; padding:12px 0; flex-wrap:wrap}
  .home-steps li + li{border-left:0; border-top:2px solid var(--line)}
  .home-steps b{font-size:13px}
  .home-steps .step-ico{height:auto; font-size:20px}
  .home-steps strong{font-size:17px; width:88px}
  .home-steps em{font-size:12px; width:100%}
  .home-last{padding:10px 18px 0; font-size:13px}
  .home-footer{flex-direction:column; align-items:flex-start; gap:4px; padding:12px 18px 0; font-size:11px}

  #screen-studio{padding:0 16px calc(16px + var(--safe-b))}
  .studio-topbar{padding:10px 12px}
  .brand-center{display:none}
  .studio-body{grid-template-columns:1fr; padding:12px 0 0; gap:14px}
  .studio-title-row{align-items:center; margin-bottom:12px}
  .page-title{font-size:26px}
  .page-sub{font-size:14px; margin-top:4px}
  .starburst{font-size:13px; padding:10px 12px; box-shadow:0 0 0 2px #FFE1C4}
  .canvas-wrap{aspect-ratio:1000/600}
  .toolbar{gap:8px; padding:8px 10px; margin-top:10px}
  .tool-btn{padding:8px 10px; font-size:13px}
  .tool-btn span{display:none}
  .tool-btn svg{width:22px;height:22px}
  .tool-group{gap:6px}
  .tool-group + .tool-group{padding-left:8px}
  .width-btn{width:44px;height:44px}
  .color-btn{width:30px;height:30px}
  .tool-tip{display:none}
  .entry-panel{position:static; padding:14px; border-radius:16px; gap:10px}
  .panel-title{font-size:20px}
  #horse-name{font-size:17px}
  #preview-canvas{height:76px}
  .btn-primary.big{font-size:20px; padding:15px}

  #screen-race{padding:0 10px calc(12px + var(--safe-b))}
  .race-topbar{padding:10px 8px}
  .race-slogan{display:none}
  .race-head{padding:10px 4px 0; gap:8px; align-items:flex-start}
  .race-title{font-size:22px; gap:8px}
  .chip{font-size:11px}
  .hud{gap:6px; width:100%}
  .hud-item{min-width:0; flex:1; padding:6px 8px; border-radius:12px}
  .hud-item b{font-size:19px}
  .hud-item b i{font-size:11px}
  .hud-item span{font-size:10px}
  .race-main{grid-template-columns:84px minmax(0,1fr); margin-top:10px; height:44vh}
  .lane-labels{gap:5px; padding-right:6px}
  .lane-label{gap:6px; padding:0 4px; border-radius:9px}
  .lane-label .ln{width:20px;height:20px; font-size:12px; border-radius:6px}
  .lane-label .nm{font-size:12px; font-weight:800; white-space:normal; line-height:1.15; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
  .lane-label .you{font-size:10px; padding:1px 4px}
  .arena{min-height:0; border-radius:12px}
  .countdown b{font-size:64px}
  .judge-row{padding:8px 4px 0; min-height:44px; flex-direction:column; align-items:flex-start; gap:2px}
  .judge-pop{font-size:22px; min-height:28px}
  .judge-pop .combo-num{font-size:18px}
  .judge-hint{font-size:11px}
  .rhythm{padding:4px 4px 0}
  .rhythm-head{font-size:14px; margin-bottom:6px}
  .rhythm-track{height:34px}
  .seg-labels span{font-size:9px}
  .btn-accelerate{margin-top:10px; padding:16px; border-radius:16px; min-height:64px}
  .btn-accelerate .big-label{font-size:23px}
  .btn-accelerate .sub-label{font-size:11px}
  .race-foot{padding:8px 4px 0; font-size:12px}
  .result-veil,.share-veil,.pause-veil{padding:12px; align-items:start-center}
  .result-card{padding:18px 14px; gap:12px}
  .result-top{grid-template-columns:1fr; gap:10px}
  .result-art{max-width:220px; margin:0 auto}
  #result-canvas{height:120px}
  .result-rank{font-size:30px; text-align:center}
  .result-time{font-size:19px; text-align:center}
  .result-diff{text-align:center}
  .result-actions{flex-direction:column}
  .result-actions button{width:100%; min-width:0}
  .veil-card{padding:24px 18px; min-width:0}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important}
}

/* Keep each name centered on its canvas lane; the arena has a 2px border. */
.lane-labels{
  display:grid;
  grid-template-rows:repeat(4,minmax(0,1fr));
  gap:0;
  padding-top:calc(var(--race-scale-row,22px) + 2px);
  padding-bottom:2px;
}
.lane-label{margin:4px 0}
@media(max-width:900px){.lane-label{margin:2.5px 0}}