:root {
  --ink: #0a0a0a;
  --bone: #f2efe6;
  --dim: #8d8a82;
  --line: rgba(242, 239, 230, .14);
  --acid: #d6ff3d;
  --accent: var(--acid);
  --ease: cubic-bezier(.77, 0, .175, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --display: "Arial Black", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --gutter: clamp(16px, 4vw, 56px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.is-loading { overflow: hidden; }
/* 斜着的跑马灯会超出屏幕；clip 不建层叠上下文，不影响标题混合效果 */
html, body, main { overflow-x: clip; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--acid); color: var(--ink); }

/* ---------- 背景 ---------- */
#stripes { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; display: block; }
.grain {
  position: fixed; inset: -50%; z-index: 1; pointer-events: none; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1s steps(6) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); } 20% { transform: translate(-6%, 4%); } 40% { transform: translate(4%, -8%); }
  60% { transform: translate(-3%, 7%); } 80% { transform: translate(7%, 2%); } 100% { transform: translate(0, 0); }
}
/* main 不建层叠上下文，免得把 fixed 背景和其上内容隔开 */
.foot { position: relative; }

/* ---------- 开场 ---------- */
#loader {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center;
  pointer-events: none;
}
.loader-bars, .warp-bars { position: absolute; inset: 0; display: flex; }
.loader-bars i, .warp-bars i {
  flex: 1; height: 100%; background: var(--ink); transform-origin: top;
}
.loader-bars i:nth-child(even) { background: var(--bone); }
.loader-count {
  position: absolute; left: var(--gutter); bottom: var(--gutter);
  font: 900 clamp(64px, 14vw, 200px)/.8 var(--display); color: var(--acid);
  mix-blend-mode: difference; letter-spacing: -.04em;
}
.loader-count i { font-size: .3em; font-style: normal; }
.loader-word {
  position: relative; font: 900 clamp(40px, 9vw, 130px)/1 var(--display);
  letter-spacing: -.04em; color: var(--bone); mix-blend-mode: difference;
}
.loader-word b { color: transparent; -webkit-text-stroke: 2px var(--bone); }
#loader.done .loader-bars i { transform: scaleY(0); transition: transform .9s var(--ease); }
#loader.done .loader-bars i:nth-child(even) { transform-origin: bottom; }
#loader.done .loader-count, #loader.done .loader-word { opacity: 0; transform: translateY(-30px); transition: .5s var(--ease); }
#loader.gone { display: none; }

/* ---------- 跳转转场 ---------- */
#warp { position: fixed; inset: 0; z-index: 90; pointer-events: none; visibility: hidden; }
#warp .warp-bars { transform: skewX(-12deg) scaleX(1.3); }
#warp .warp-bars i { transform: scaleY(0); transition: transform .55s var(--ease); background: var(--ink); }
#warp .warp-bars i:nth-child(3n+2) { background: var(--accent); }
#warp .warp-bars i:nth-child(even) { transform-origin: bottom; }
#warp.on { visibility: visible; pointer-events: all; }
#warp.on .warp-bars i { transform: scaleY(1); }
.warp-title {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
  font: 900 clamp(48px, 11vw, 160px)/1 var(--sans); letter-spacing: -.02em;
  color: var(--bone); mix-blend-mode: difference; opacity: 0;
  transform: scale(1.4); filter: blur(12px); transition: .5s var(--ease-out) .25s;
}
.warp-title small { font: 700 clamp(12px, 1.4vw, 18px)/1 var(--mono); letter-spacing: .5em; margin-top: 18px; }
#warp.on .warp-title { opacity: 1; transform: scale(1); filter: blur(0); }

/* ---------- 光标 ---------- */
#cursor {
  position: fixed; left: 0; top: 0; z-index: 80; width: 14px; height: 14px; margin: -7px 0 0 -7px;
  border-radius: 50%; background: var(--bone); mix-blend-mode: difference; pointer-events: none;
  display: grid; place-items: center; transition: width .35s var(--ease-out), height .35s var(--ease-out), margin .35s var(--ease-out), background .3s;
}
#cursor span { font: 800 13px/1 var(--mono); letter-spacing: .15em; color: var(--ink); opacity: 0; transition: opacity .2s; }
#cursor.big { width: 92px; height: 92px; margin: -46px 0 0 -46px; mix-blend-mode: normal; background: var(--accent); }
#cursor.big span { opacity: 1; }
#cursor.big.soon span { font-size: 11px; letter-spacing: .05em; }
#cursor.link { width: 46px; height: 46px; margin: -23px 0 0 -23px; }
@media (hover: none), (pointer: coarse) { #cursor { display: none; } }
@media (hover: hover) and (pointer: fine) { body.has-cursor, body.has-cursor a { cursor: none; } }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px var(--gutter); mix-blend-mode: difference; color: var(--bone);
  transition: transform .5s var(--ease-out);
}
.nav.hide { transform: translateY(-110%); }
.brand { display: flex; align-items: center; gap: 10px; font: 800 17px/1 var(--sans); letter-spacing: .08em; }
.brand svg { color: var(--bone); transition: transform .6s var(--ease-out); }
.brand:hover svg { transform: rotate(-12deg) scale(1.1); }
.nav nav { display: flex; gap: 8px; }
.nav nav a { font: 600 14px/1 var(--sans); padding: 10px 14px; border: 1px solid currentColor; border-radius: 99px; }

/* ---------- 首屏 ---------- */
.hero {
  min-height: 100svh; padding: 110px var(--gutter) 60px;
  display: flex; flex-direction: column; justify-content: center; position: relative;
}
/* 标题做成一张条码标签：斑马纹 + 条形码 = 斑码 */
.label {
  --pad: clamp(16px, 2.2vw, 30px);
  position: relative; align-self: flex-start; display: grid; gap: clamp(8px, 1vw, 14px);
  padding: var(--pad) calc(var(--pad) * 1.2) calc(var(--pad) * .9);
  background: var(--ink); color: var(--bone); border-radius: 6px;
  box-shadow: 10px 10px 0 var(--acid), 0 30px 60px -20px rgba(0, 0, 0, .6);
  overflow: hidden; font-weight: 400;
  transform: rotate(-2deg) scale(.96); opacity: 0;
  transition: transform 1s var(--ease-out), opacity .6s, box-shadow .5s var(--ease-out);
}
body.ready .label { transform: rotate(-2deg); opacity: 1; }
.label:hover { transform: rotate(0deg) translate(-3px, -3px); box-shadow: 14px 14px 0 var(--acid), 0 40px 70px -20px rgba(0, 0, 0, .6); }
.label-top, .label-bottom { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.label-top { font: 700 clamp(10px, .9vw, 13px)/1 var(--mono); letter-spacing: .24em; padding-bottom: clamp(8px, 1vw, 14px); border-bottom: 1.5px solid rgba(242, 239, 230, .25); }
.label-top b { color: var(--acid); }
.label-name { font: 900 clamp(56px, 10vw, 156px)/1 var(--sans); letter-spacing: .02em; white-space: nowrap; display: block; overflow: hidden; padding-bottom: .04em; }
.label-name .ch { display: inline-block; transform: translateY(105%); transition: transform 1s var(--ease-out); }
body.ready .label-name .ch { transform: none; }
.label-name .chi { display: inline-block; transition: transform .5s var(--ease-out); }
.label-name .ch:nth-child(3) .chi, .label-name .ch:nth-child(4) .chi { color: var(--acid); }
.label-bottom { align-items: flex-end; padding-top: clamp(8px, 1vw, 14px); border-top: 1.5px solid rgba(242, 239, 230, .25); }
.barcode { display: flex; align-items: stretch; height: clamp(26px, 3vw, 42px); gap: 2px; flex: 1; max-width: 62%; }
.barcode i { background: var(--bone); transform-origin: left; animation: bar 2.4s var(--ease) infinite alternate; }
@keyframes bar { to { transform: scaleX(.35); } }
.label-note { font: 700 clamp(11px, 1vw, 14px)/1.35 var(--sans); letter-spacing: .12em; text-align: right; color: #bdb9ae; white-space: nowrap; }
/* 扫码光带：定时扫过，所经之处短暂反色 */
.label-scan {
  position: absolute; top: 0; bottom: 0; left: 0; width: 22%; pointer-events: none; mix-blend-mode: difference;
  background: repeating-linear-gradient(90deg, var(--bone) 0 3px, transparent 3px 7px, var(--bone) 7px 12px, transparent 12px 15px);
  transform: translateX(-120%); animation: scan 6s var(--ease) 2.2s infinite;
}
.label-scan::after { content: ""; position: absolute; right: -2px; top: 0; bottom: 0; width: 3px; background: var(--acid); box-shadow: 0 0 18px 4px var(--acid); }
@keyframes scan { 0% { transform: translateX(-120%); } 22%, 100% { transform: translateX(560%); } }
.label:hover .label-scan { animation-duration: 1.6s; animation-delay: 0s; }
.hero-sub {
  margin-top: clamp(28px, 4vw, 44px); max-width: 30em; font: 600 clamp(15px, 1.5vw, 19px)/1.7 var(--sans); color: var(--bone);
  align-self: flex-start; background: var(--ink); padding: 12px 18px; border-radius: 14px;
}
.hero-cta {
  margin-top: 34px; align-self: flex-start; display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 26px 18px 30px; border-radius: 99px; background: var(--acid); color: var(--ink);
  font: 800 17px/1 var(--sans); letter-spacing: .04em; position: relative; overflow: hidden;
  box-shadow: 0 0 0 0 rgba(214, 255, 61, .5); transition: box-shadow .4s;
}
.hero-cta:hover { box-shadow: 0 0 40px 4px rgba(214, 255, 61, .45); }
.hero-cta svg { animation: bob 1.6s var(--ease) infinite; }
@keyframes bob { 50% { transform: translateY(4px); } }
.hero-hint {
  position: absolute; left: var(--gutter); bottom: 26px; font: 600 11px/1 var(--mono);
  letter-spacing: .3em; color: var(--bone); mix-blend-mode: difference; opacity: .7;
}
@media (hover: none) { .hero-hint { display: none; } }
.reveal-up { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
body.ready .reveal-up { opacity: 1; transform: none; }
body.ready .hero-sub { transition-delay: .35s; }
body.ready .hero-cta { transition-delay: .5s; }

/* ---------- 跑马灯 ---------- */
.marquee {
  background: var(--acid); color: var(--ink); overflow: hidden;
  transform: rotate(-2.5deg) scale(1.06); margin: 20px 0 60px; border-block: 3px solid var(--ink);
}
.marquee-track { display: flex; width: max-content; animation: marq 28s linear infinite; }
.marquee-track span { font: 900 clamp(22px, 3.2vw, 44px)/1 var(--sans); padding: 16px 0; white-space: nowrap; display: flex; align-items: center; }
.marquee-track span::after { content: "✦"; margin: 0 .8em; font-size: .6em; }
@keyframes marq { to { transform: translateX(-50%); } }

/* ---------- 游戏库 ---------- */
.games { padding: 40px var(--gutter) 80px; }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 18px 40px; margin-bottom: 44px; }
.section-head h2 { font: 900 clamp(48px, 9vw, 130px)/.9 var(--sans); letter-spacing: -.03em; }
.section-head .idx { font: 700 .18em/1 var(--mono); vertical-align: top; color: var(--acid); margin-right: .6em; letter-spacing: .1em; }
.section-head p { max-width: 26em; color: var(--dim); font-size: 15px; line-height: 1.7; }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(14px, 1.8vw, 26px); }
.card { grid-column: span 4; perspective: 1100px; opacity: 0; transform: translateY(80px); transition: opacity 1s var(--ease-out), transform 1s var(--ease-out); }
.card.in { opacity: 1; transform: none; }
.card.feat { grid-column: span 8; grid-row: span 2; }
.card.wide { grid-column: span 6; }
@media (max-width: 1000px) { .card, .card.feat, .card.wide { grid-column: span 6; grid-row: auto; } .card.feat { grid-column: span 12; } }
@media (max-width: 640px) { .card, .card.feat, .card.wide { grid-column: span 12; } }

.card-link {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%;
  display: flex; flex-direction: column; height: 100%; position: relative;
  border-radius: 22px; overflow: hidden; background: #141414; border: 1px solid var(--line);
  transform: rotateX(var(--rx)) rotateY(var(--ry)); transform-style: preserve-3d;
  transition: transform .5s var(--ease-out), border-color .3s, box-shadow .5s;
  isolation: isolate;
}
.card-link:hover { border-color: var(--c); box-shadow: 0 30px 80px -20px color-mix(in srgb, var(--c) 55%, transparent); }
.card-link:focus-visible { outline: 3px solid var(--c); outline-offset: 4px; }
.card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; flex: 1; min-height: 0; }
.card.feat .card-media { aspect-ratio: auto; min-height: 340px; }
.card-media img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.08); filter: grayscale(1) contrast(1.15) brightness(.8);
  transition: transform 1.2s var(--ease-out), filter .9s var(--ease-out);
}
.card-link:hover .card-media img { transform: scale(1.16) translate(calc((50% - var(--mx)) * .06), calc((50% - var(--my)) * .06)); filter: none; }
@media (hover: none) { .card-media img { filter: none; } }

/* 斑马纹擦除：悬停时条纹从左右扫过 */
.card-media::before {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: repeating-linear-gradient(105deg, var(--ink) 0 22px, var(--c) 22px 30px, transparent 30px 58px);
  transform: translateX(-110%); mix-blend-mode: normal;
}
.card-link:hover .card-media::before { animation: wipe .75s var(--ease) forwards; }
@keyframes wipe { 0% { transform: translateX(-110%); } 100% { transform: translateX(110%); } }
/* 跟随鼠标的高光 */
.card-media::after {
  content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none; opacity: 0; transition: opacity .4s;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(255, 255, 255, .28), transparent 45%);
  mix-blend-mode: overlay;
}
.card-link:hover .card-media::after { opacity: 1; }

.card-num {
  position: absolute; z-index: 4; left: 18px; top: 14px;
  font: 900 clamp(40px, 5vw, 76px)/1 var(--display); color: transparent; -webkit-text-stroke: 1.5px var(--bone);
  transform: translateZ(40px); transition: color .4s, -webkit-text-stroke-color .4s;
}
.card-link:hover .card-num { color: var(--c); -webkit-text-stroke-color: var(--c); }
.badge {
  position: absolute; z-index: 4; right: 14px; top: 14px; display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end;
}
.badge span { font: 700 11px/1 var(--sans); padding: 7px 10px; border-radius: 99px; background: rgba(10, 10, 10, .72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,.18); }
.badge span.new { background: var(--acid); color: var(--ink); border-color: var(--acid); }

.card-body { position: relative; padding: 20px 22px 22px; display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; align-items: end; background: #121212; }
.card-body::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--c); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease-out); }
.card-link:hover .card-body::before { transform: scaleX(1); }
.card-title { font: 900 clamp(24px, 2.4vw, 34px)/1.1 var(--sans); letter-spacing: -.01em; }
.card.feat .card-title { font-size: clamp(32px, 4.2vw, 60px); }
.card-en { grid-column: 1; font: 700 12px/1 var(--mono); letter-spacing: .28em; color: var(--c); text-transform: uppercase; }
.card-desc { grid-column: 1 / -1; color: var(--dim); font-size: 14px; line-height: 1.65; margin-top: 8px; }
.card-go {
  grid-column: 2; grid-row: 1 / 3; width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; border: 1.5px solid var(--line); color: var(--bone);
  transition: background .35s, color .35s, border-color .35s, transform .5s var(--ease-out);
}
.card-link:hover .card-go { background: var(--c); color: var(--ink); border-color: var(--c); transform: rotate(-45deg) scale(1.08); }
.tags { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tags span { font: 600 11px/1 var(--mono); letter-spacing: .06em; padding: 6px 9px; border-radius: 6px; border: 1px solid var(--line); color: #bdb9ae; }

/* 制作中：能看不能点 */
.card.soon .card-link { cursor: not-allowed; }
.card.soon .card-media img { filter: grayscale(1) contrast(1.1) brightness(.55) blur(1px); }
.card.soon .card-link:hover .card-media img { filter: grayscale(.2) brightness(.7) blur(0); transform: scale(1.1); }
.card.soon .card-media::before { animation: none !important; transform: none; opacity: .5;
  background: repeating-linear-gradient(-45deg, rgba(10,10,10,.55) 0 18px, transparent 18px 36px); }
.soon-stamp {
  position: absolute; z-index: 4; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-8deg);
  font: 900 clamp(22px, 2.6vw, 34px)/1 var(--sans); letter-spacing: .12em; color: var(--c);
  padding: 12px 22px; border: 3px solid var(--c); border-radius: 10px; background: rgba(10,10,10,.6);
  white-space: nowrap; transition: transform .5s var(--ease-out);
}
.card.soon .card-link:hover .soon-stamp { transform: translate(-50%, -50%) rotate(-3deg) scale(1.06); }
.card.soon .card-go { opacity: .35; }
.card.soon .card-link:hover .card-go { transform: none; background: transparent; color: var(--bone); border-color: var(--line); }
.card.soon.shake .card-link { animation: shake .45s; }
@keyframes shake { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }

/* ---------- 关于 ---------- */
.about { padding: 120px var(--gutter) 100px; border-top: 1px solid var(--line); background: rgba(10,10,10,.6); }
.about-big { font: 900 clamp(44px, 8.5vw, 132px)/1 var(--sans); letter-spacing: -.03em; }
.about-big span { display: block; opacity: .12; transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); transform: translateX(-30px); }
.about-big span.lit { opacity: 1; transform: none; }
.about-big .hl { color: var(--acid); }
.about-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px 60px; margin-top: 56px; max-width: 980px; }
.about-cols p { color: #c7c3b8; font-size: 16px; line-height: 1.85; }

/* ---------- 页脚 ---------- */
.foot { padding: 40px var(--gutter) 30px; background: var(--bone); color: var(--ink); overflow: hidden; }
.foot-big { font: 900 clamp(64px, 17vw, 260px)/.9 var(--sans); letter-spacing: -.05em; white-space: nowrap; }
.foot-big span { display: inline-block; color: var(--acid); -webkit-text-stroke: 3px var(--ink); animation: wobble 2.4s var(--ease) infinite; }
@keyframes wobble { 50% { transform: rotate(14deg) translateY(-6%); } }
.foot-row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 28px; font: 600 13px/1.4 var(--mono); letter-spacing: .06em; }

.magnetic { display: inline-block; will-change: transform; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .card { opacity: 1; transform: none; }
}