@font-face{font-family:"Young Serif";src:url(/assets/fonts/young-serif-latin.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Figtree";src:url(/assets/fonts/figtree-latin.woff2) format("woff2");font-weight:300 900;font-display:swap}

/* 配色取自游戏本身：紫罗兰主色、橙色按钮、奶油色传送带底、彩色线轴。
   --accent/--accent-soft/--ink/--pop/--surface/--hero 由 site.json 注入。 */
:root{
  --bg:var(--surface);
  --card:oklch(99.5% 0.004 85);
  --line:color-mix(in oklch,var(--surface) 78%,var(--ink) 12%);
  --muted:color-mix(in oklch,var(--ink) 68%,var(--surface));
  --gold:oklch(84% 0.15 85);
  --shadow:0 1px 2px oklch(30% 0.06 300/.08),0 10px 24px -14px oklch(30% 0.1 300/.28);
  --press:0 4px 0 color-mix(in oklch,var(--pop) 70%,black);
  --radius:20px;
  --display:"Young Serif",Georgia,serif;
  --body:"Figtree",system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--body)}
a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1.5px}
img,iframe{max-width:100%}
button{font:inherit}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.15;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(32px,5.4vw,52px);margin:0 0 14px}
h2{font-size:clamp(22px,3vw,28px);margin:0 0 12px}
p{margin:0 0 14px;max-width:68ch}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:8px;z-index:20;background:var(--card);padding:8px 12px;border-radius:10px}
:focus-visible{outline:3px solid color-mix(in oklch,var(--pop) 70%,transparent);outline-offset:2px;border-radius:8px}
.lead{font-size:clamp(17px,2vw,19px);color:var(--muted)}
.aside-text{font-size:15px;color:var(--muted)}
.block{padding-top:clamp(40px,7vw,80px)}
[hidden]{display:none!important}

/* 线轴：中间是毛线色的圆柱，上下是木色轮缘，数字印在中间 */
.bobbin{--w:44px;--h:52px;position:relative;flex:none;display:inline-grid;place-items:center;width:var(--w);height:var(--h);
  border-radius:9px/6px;
  background:
    repeating-linear-gradient(170deg,transparent 0 3px,rgb(255 255 255/.16) 3px 4px),
    linear-gradient(90deg,color-mix(in oklch,var(--c) 70%,black) 0%,var(--c) 22%,color-mix(in oklch,var(--c) 70%,white) 45%,var(--c) 68%,color-mix(in oklch,var(--c) 65%,black) 100%);
  box-shadow:0 -5px 0 -1px oklch(88% 0.04 70),0 5px 0 -1px oklch(80% 0.05 65),0 9px 10px -6px oklch(25% 0.08 300/.45)}
.bobbin b{font:800 calc(var(--w)*.38)/1 var(--body);color:#fff;text-shadow:0 1px 0 rgb(0 0 0/.45),0 0 3px rgb(0 0 0/.3)}
.bobbin-light b{color:var(--ink);text-shadow:0 1px 0 rgb(255 255 255/.6)}
.bobbin-brand{--w:22px;--h:26px;border-radius:6px/4px;box-shadow:0 -3px 0 -1px oklch(88% 0.04 70),0 3px 0 -1px oklch(80% 0.05 65)}
.bobbin-tile{--w:40px;--h:46px;margin-top:-34px}
.bobbin-head{--w:60px;--h:70px}
.bobbin-mock{--w:clamp(34px,4vw,46px);--h:clamp(40px,4.8vw,54px)}

/* 顶栏 */
.top{position:sticky;top:0;z-index:10;background:color-mix(in oklch,var(--card) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-inner{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;min-height:64px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--display);font-size:20px;color:var(--ink);text-decoration:none;white-space:nowrap}
.nav{display:flex;gap:22px;margin-left:auto;font-weight:600;font-size:15px}
.nav a{color:var(--muted);text-decoration:none;padding:6px 0;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{color:var(--accent)}
.search-ico{width:18px;height:18px;flex:none;fill:none;stroke:var(--muted);stroke-width:2;stroke-linecap:round}
.jump-pill{display:flex;align-items:center;gap:8px;flex:1;max-width:280px;padding:0 14px;height:42px;border:1.5px solid var(--line);border-radius:99px;background:var(--bg)}
.jump-pill:focus-within{border-color:var(--accent);background:var(--card)}
.jump input{border:0;background:transparent;font:500 15px var(--body);color:var(--ink);width:100%;min-width:0;outline:none;-moz-appearance:textfield}
.jump input::-webkit-inner-spin-button,.jump input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
@media(max-width:760px){
  .top-inner{column-gap:12px}
  .brand{font-size:17px;gap:10px}
  .jump-pill{order:3;max-width:none;flex-basis:100%;height:40px}
  .nav{gap:14px;font-size:14px}
  .nav a:not(:first-child){display:none}
}

/* 首屏：游戏的紫色夜空 */
.hero{position:relative;color:var(--card);background:
  radial-gradient(50% 70% at 85% 35%,color-mix(in oklch,var(--hero) 70%,white 12%),transparent 70%),
  linear-gradient(160deg,color-mix(in oklch,var(--hero) 85%,white 6%),color-mix(in oklch,var(--hero) 80%,black 22%))}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:28px;background:var(--bg);clip-path:ellipse(60% 100% at 50% 100%)}
.hero-inner{display:grid;gap:36px;padding-top:clamp(32px,6vw,68px);padding-bottom:12px}
@media(min-width:900px){.hero-inner{grid-template-columns:1.05fr .95fr;align-items:center}}
.badge{display:inline-block;padding:4px 12px;border-radius:99px;background:rgb(255 255 255/.14);font-size:13px;font-weight:600;color:rgb(255 255 255/.9)}
.hl{color:var(--gold)}
.hero h1{max-width:14ch;margin-top:12px}
.hero .lead{color:rgb(255 255 255/.82)}
.features{list-style:none;padding:0;margin:20px 0 26px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px;max-width:520px}
.features li{display:flex;align-items:center;gap:9px;font-weight:600;font-size:15px}
.features svg{width:20px;height:20px;flex:none;fill:none;stroke:var(--gold);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:520px){.features{grid-template-columns:1fr;gap:10px}}
.jump-card{max-width:560px;padding:18px 20px 22px;background:var(--card);color:var(--ink);border-radius:24px;box-shadow:0 20px 40px -20px oklch(20% 0.1 300/.6)}
.jump-label{display:block;font-weight:700;font-size:15px;margin-bottom:10px}
.jump-row{display:flex;gap:10px}
.jump-field{flex:1;display:flex;align-items:center;gap:8px;padding:0 16px;height:52px;border:1.5px solid var(--line);border-radius:99px;background:var(--bg)}
.jump-field:focus-within{border-color:var(--accent);background:var(--card)}
.jump-card input{font-size:17px}
.jump-card button{flex:none;min-width:72px;height:50px;margin-bottom:4px;border:0;border-radius:99px;background:var(--pop);color:#fff;font-weight:800;font-size:17px;cursor:pointer;box-shadow:var(--press);transition:transform .12s var(--ease),box-shadow .12s var(--ease)}
.jump-card button:active{transform:translateY(3px);box-shadow:0 1px 0 color-mix(in oklch,var(--pop) 70%,black)}
.install{margin:20px 0 6px;font-size:15px;color:rgb(255 255 255/.8)}
.install a{color:var(--gold);text-decoration:none;font-weight:700}
.rating{display:flex;align-items:center;gap:10px;font-size:14px;color:rgb(255 255 255/.8)}
.stars{position:relative;font-size:18px;letter-spacing:2px;color:rgb(255 255 255/.25);line-height:1}
.stars::before{content:"★★★★★";position:absolute;inset:0;width:var(--v);overflow:hidden;color:var(--gold)}
.hero-more{position:relative;z-index:1;text-align:center;max-width:none;margin:22px 0 0;padding-bottom:20px}
.pill-link{display:inline-flex;gap:8px;align-items:center;padding:10px 20px;border-radius:99px;background:var(--card);box-shadow:var(--shadow);color:var(--ink);font-weight:700;text-decoration:none}
.pill-link:hover{color:var(--accent)}

/* 首屏插画：仿游戏画面 */
.hero-art{display:grid;place-items:center}
.mock{width:min(360px,100%);padding:16px 18px 22px;display:flex;flex-direction:column;gap:14px;border-radius:30px;background:color-mix(in oklch,var(--hero) 55%,black 30%);box-shadow:inset 0 0 0 2px rgb(255 255 255/.08),0 30px 60px -30px rgb(0 0 0/.6);transform:rotate(2deg)}
.mock-track{position:relative;aspect-ratio:1;padding:22px;border-radius:26px;background:oklch(88% 0.045 75);box-shadow:inset 0 0 0 6px oklch(80% 0.06 70),inset 0 0 0 13px oklch(88% 0.045 75),inset 0 0 0 15px oklch(76% 0.06 68)}
.mock-runner{position:absolute;left:44%;top:3px;width:22px;height:12px;border-radius:4px;background:var(--pop);box-shadow:0 2px 0 color-mix(in oklch,var(--pop) 60%,black)}
.mock-board{position:relative;display:grid;grid-template-columns:repeat(12,1fr);width:100%;height:100%;padding:4px;gap:1px;border-radius:10px;background:oklch(60% 0.03 280)}
.mock-board i{background:var(--c);border-radius:2px}
.mock-board::after{content:"";position:absolute;inset:4px;border-radius:6px;pointer-events:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='10'%3E%3Cpath d='M1 0.5 6 8.5M11 0.5 6 8.5' stroke='%23fff' stroke-opacity='.3' stroke-width='3' stroke-linecap='round'/%3E%3Cpath d='M1 2.5 6 10.5M11 2.5 6 10.5' stroke='%23000' stroke-opacity='.12' stroke-width='1.2'/%3E%3C/svg%3E") 0 0/9px 8px}
.mock-rack{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.mock-rack i{aspect-ratio:1;border-radius:9px;background:rgb(0 0 0/.25);box-shadow:inset 0 2px 0 rgb(0 0 0/.25)}
.mock-bobbins{display:flex;justify-content:space-around;padding-top:6px}
@media(max-width:899px){.hero-art{display:none}}

/* 针织小样 */
.swatch{display:block;background:
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='10'%3E%3Cpath d='M1 0.5 6 8.5M11 0.5 6 8.5' stroke='%23fff' stroke-opacity='.32' stroke-width='3' stroke-linecap='round'/%3E%3Cpath d='M1 2.5 6 10.5M11 2.5 6 10.5' stroke='%23000' stroke-opacity='.13' stroke-width='1.2'/%3E%3C/svg%3E") 0 0/12px 10px,
  var(--stripes)}
.swatch-strip{height:8px}
.swatch-big{height:48px;border-radius:12px;margin-bottom:16px}

/* 关卡区 */
.center-title{text-align:center;margin-bottom:22px}
.ranges{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:0 auto 28px;max-width:900px}
.range{padding:7px 16px;border:1.5px solid var(--line);border-radius:99px;background:var(--card);color:var(--muted);font-weight:700;font-size:15px;cursor:pointer}
.range:hover{color:var(--accent);border-color:var(--accent)}
.range[aria-selected="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.tiles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
.tile{display:flex;flex-direction:column;height:100%;overflow:hidden;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--ink);text-decoration:none;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.tile:hover{transform:translateY(-4px);box-shadow:0 2px 4px oklch(30% 0.06 300/.08),0 20px 34px -16px oklch(30% 0.12 300/.35)}
.tile-img{display:block;aspect-ratio:16/9;background:var(--accent-soft);overflow:hidden}
.tile-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.tile:hover .tile-img img{transform:scale(1.04)}
.tile-body{display:flex;gap:12px;align-items:flex-start;padding:10px 14px 14px;flex:1}
.tile-text{display:flex;flex-direction:column;gap:1px;min-width:0}
.tile-num{font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.tile-name{font-family:var(--display);font-size:18px;line-height:1.25}
@media(max-width:520px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tile-body{gap:8px;padding:8px 10px 12px}.tile-name{font-size:15px}.bobbin-tile{--w:32px;--h:38px;margin-top:-26px}}

/* 玩法说明 */
.how{display:grid;gap:22px}
@media(min-width:860px){.how{grid-template-columns:1fr 1.3fr;align-items:start}}
.mech{list-style:none;margin:0;padding:0;counter-reset:m;display:grid;gap:12px}
.mech li{counter-increment:m;display:grid;grid-template-columns:44px 1fr;column-gap:12px;padding:14px 16px;background:var(--card);border-radius:16px;box-shadow:var(--shadow)}
.mech li::before{content:counter(m);grid-row:span 2;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font:19px var(--display)}
.mech span{color:var(--muted)}
.note{background:var(--accent-soft);border:1.5px dashed color-mix(in oklch,var(--accent) 40%,transparent);border-radius:var(--radius);padding:20px clamp(18px,3vw,28px) 8px}
.tips{margin:0;padding-left:22px}
.tips li{margin-bottom:10px;padding-left:4px}
.tips li::marker{font-family:var(--display);color:var(--accent)}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:700;font-size:17px}
.faq details p{margin:10px 0 0}

/* 关卡页 */
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:14px;color:var(--muted);padding-top:22px;margin-bottom:18px}
.crumbs a{color:var(--muted)}
.crumbs > *:not(:last-child)::after{content:"›";margin-left:6px}
.level-head{display:flex;align-items:center;gap:20px;margin-bottom:24px}
.level-head h1{margin:0;font-size:clamp(28px,5vw,44px)}
.level-kicker{display:block;font:800 13px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}
.level-grid{display:grid;gap:20px}
@media(min-width:900px){.level-grid{grid-template-columns:1.7fr 1fr;align-items:start}}
.video{margin:0}
.ratio{position:relative;aspect-ratio:16/9;background:var(--ink);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.ratio iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
figcaption{font-size:14px;color:var(--muted);margin-top:10px}
.side{display:grid;gap:16px}
.match{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 18px 6px}

/* 分享栏 */
.share{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px 6px}
.share-label{font-weight:800;font-size:14px;margin-bottom:10px}
.share-row{display:flex;flex-wrap:wrap;gap:5px}
.share-btn{display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:50%;background:var(--b,#888);cursor:pointer;transition:transform .2s var(--ease),filter .2s}
.share-btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
.share-btn svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.share-btn svg .f{fill:#fff;stroke:none}
.s-copy,.s-native{--b:var(--bg)}
.s-copy svg,.s-native svg{stroke:var(--ink)}
.s-facebook{--b:#1877f2}.s-x{--b:#111}.s-whatsapp{--b:#25d366}.s-telegram{--b:#2aabee}.s-line{--b:#06c755}
.s-reddit{--b:#ff4500}.s-pinterest{--b:#e60023}.s-email{--b:#6b6470}
.s-reddit svg .f{fill:#fff}
.share-status{min-height:20px;font-size:13px;font-weight:700;color:var(--accent);margin:6px 0 0}
.match h2{font-size:22px}
.match p{font-size:16px}
.chips{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-wrap:wrap;gap:6px}
.chips li{display:flex;align-items:center;gap:6px;padding:3px 10px 3px 5px;background:var(--bg);border-radius:99px;font-size:14px;font-weight:600}
.dot{width:16px;height:16px;border-radius:50%;background:var(--c);box-shadow:inset 0 0 0 1px rgb(0 0 0/.18)}
.level-body{max-width:720px;padding-top:30px}
.level-body section{margin-bottom:22px}
.level-body h2{font-size:24px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.pager a{display:flex;flex-direction:column;gap:2px;padding:14px 16px;border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);text-decoration:none;color:var(--ink);transition:transform .2s var(--ease)}
.pager a:hover{transform:translateY(-2px)}
.pager-next{text-align:right;grid-column:2}
.pager-dir{font-weight:800;color:var(--pop);font-size:14px}
.pager-name{font-weight:600;font-size:15px}

.prose{max-width:760px}
.prose h2{margin-top:30px}
.notice{background:var(--accent-soft);border-radius:12px;padding:12px 16px;font-weight:600}
.todo{background:color-mix(in oklch,var(--gold) 45%,white);padding:0 5px;border-radius:4px}

.foot{margin-top:80px;background:color-mix(in oklch,var(--hero) 80%,black 25%);color:rgb(255 255 255/.72);font-size:14px}
.foot-inner{padding-top:30px;padding-bottom:38px}
.foot-brand{font-family:var(--display);font-size:20px;color:#fff}
.foot a{color:var(--gold)}
.foot-links{display:flex;gap:18px;font-weight:700}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}