:root {
  --ink: #141824; --sub: #5b6172; --muted: #9aa0ad; --line: #e8eaf0;
  --brand: #4f46e5; --brand2: #06b6d4; --green: #07c160; --bg: #ffffff; --alt: #f6f7fb;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.65 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--brand); text-decoration: none; }
code { font-family: Menlo, Consolas, monospace; font-size: .88em; background: #eef0ff; color: #4338ca; padding: 1px 6px; border-radius: 5px; }
.muted { color: var(--muted); } .small { font-size: 13px; }

.nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  padding: 12px max(20px, calc((100vw - 1120px) / 2)); background: rgba(255, 255, 255, .86); backdrop-filter: saturate(1.6) blur(14px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--ink); }
.brand img { width: 32px; height: 32px; border-radius: 9px; }
.nav nav { display: flex; gap: 22px; align-items: center; }
.nav nav a { color: var(--sub); font-size: 15px; }
.nav nav a.cta { color: #fff; background: var(--brand); padding: 7px 16px; border-radius: 999px; }

.hero { display: grid; grid-template-columns: 1.15fr 1fr; gap: 40px; align-items: center; max-width: 1120px; margin: 0 auto; padding: 72px 20px 56px; }
.eyebrow { color: var(--brand); font-weight: 600; letter-spacing: .04em; margin: 0 0 10px; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.18; margin: 0 0 18px; letter-spacing: -.01em; }
.grad { background: linear-gradient(90deg, var(--brand), var(--brand2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--sub); font-size: 18px; max-width: 34em; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 30px; }
.btn { display: inline-flex; align-items: center; padding: 12px 22px; border-radius: 12px; font-weight: 600; }
.btn.primary { background: linear-gradient(135deg, var(--brand), var(--brand2)); color: #fff; box-shadow: 0 10px 26px rgba(79, 70, 229, .28); }
.btn.ghost { border: 1px solid var(--line); color: var(--ink); }
.stats { display: flex; gap: 34px; list-style: none; padding: 0; margin: 0; }
.stats b { display: block; font-size: 26px; }
.stats span { color: var(--muted); font-size: 13px; }

.hero-phones { position: relative; height: 560px; }
.phone { position: absolute; width: 250px; border-radius: 34px; padding: 9px; background: #0f1220; box-shadow: 0 30px 60px rgba(20, 24, 36, .28); }
.phone img { display: block; width: 100%; border-radius: 26px; }
.phone.front { right: 30px; top: 30px; transform: rotate(3deg); }
.phone.back { left: 10px; top: 0; transform: rotate(-6deg); opacity: .92; }

.section { max-width: 1120px; margin: 0 auto; padding: 64px 20px; }
.section.alt { max-width: none; background: var(--alt); padding-left: max(20px, calc((100vw - 1120px) / 2 + 20px)); padding-right: max(20px, calc((100vw - 1120px) / 2 + 20px)); }
h2 { font-size: 30px; margin: 0 0 10px; }
.sub { color: var(--sub); margin: 0 0 28px; }
.grid { display: grid; gap: 18px; }
.features { grid-template-columns: repeat(3, 1fr); margin-top: 24px; }
.features article { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.features i { font-style: normal; font-size: 26px; }
.features h3 { margin: 10px 0 6px; font-size: 18px; }
.features p { margin: 0; color: var(--sub); font-size: 15px; }
.apps { grid-template-columns: 1fr 1fr; margin-top: 24px; }
.app { display: flex; gap: 18px; background: #fff; border-radius: 20px; padding: 24px; border: 1px solid var(--line); }
.app img { width: 84px; height: 84px; border-radius: 22px; flex-shrink: 0; }
.app h3 { margin: 4px 0 6px; } .app small { color: var(--muted); font-weight: 400; font-size: 14px; margin-left: 6px; }
.app p { margin: 0; color: var(--sub); font-size: 15px; }

.shots { display: flex; gap: 18px; overflow-x: auto; padding: 6px 2px 18px; scroll-snap-type: x mandatory; }
.shot { flex: 0 0 210px; scroll-snap-align: start; }
.shot img { width: 210px; border-radius: 22px; border: 1px solid var(--line); box-shadow: 0 10px 24px rgba(20, 24, 36, .08); background: #fff; }
.shot p { margin: 8px 0 0; text-align: center; color: var(--sub); font-size: 14px; }

.downloads { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.dl { background: #fff; border-radius: 20px; padding: 22px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; }
.dl header { display: flex; align-items: center; gap: 14px; }
.dl header img { width: 56px; height: 56px; border-radius: 15px; }
.dl h3 { margin: 0; font-size: 18px; } .dl .meta { color: var(--muted); font-size: 13px; }
.dl .btn { justify-content: center; }
.dl .sha { font-family: Menlo, Consolas, monospace; font-size: 11px; color: var(--muted); word-break: break-all; }
.dl .note { color: var(--sub); font-size: 14px; margin: 0; }

footer { text-align: center; color: var(--muted); font-size: 14px; padding: 30px 20px 40px; border-top: 1px solid var(--line); }

.nav nav a.hot { color: #db2777; font-weight: 600; }
.nav nav a.hot::after { content: "NEW"; margin-left: 4px; font-size: 10px; color: #fff; background: #ec4899; padding: 1px 4px; border-radius: 4px; vertical-align: 1px; }

/* 小游戏：一块深紫夜景，GIF 排成手机屏的样子 */
.games { position: relative; overflow: hidden; color: #f1ecff;
  background: radial-gradient(60% 40% at 50% 0%, rgba(168, 85, 247, .35), transparent 70%), radial-gradient(40% 30% at 90% 80%, rgba(236, 72, 153, .22), transparent 70%), linear-gradient(180deg, #120726, #1b0a33 60%, #0d0618); }
.games::after { content: ""; position: absolute; left: -20%; right: -20%; bottom: -1px; height: 220px; pointer-events: none;
  background-image: linear-gradient(rgba(236, 72, 153, .45) 1px, transparent 1px), linear-gradient(90deg, rgba(34, 211, 238, .35) 1px, transparent 1px);
  background-size: 56px 56px; transform: perspective(300px) rotateX(60deg); transform-origin: 50% 100%;
  -webkit-mask-image: linear-gradient(to top, #000, transparent); mask-image: linear-gradient(to top, #000, transparent); animation: groll 2.4s linear infinite; }
@keyframes groll { to { background-position: 0 56px; } }
.games-in { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding: 72px 20px 90px; text-align: center; }
.games .eyebrow { color: #f9a8d4; }
.games h2 { font-size: clamp(28px, 4vw, 40px); color: #fff; }
.grad2 { background: linear-gradient(90deg, #22d3ee, #a855f7, #ec4899, #fbbf24); -webkit-background-clip: text; background-clip: text; color: transparent; }
.games .sub { color: #c9bfe6; max-width: 46em; margin: 0 auto 36px; }
.games code { background: rgba(255, 255, 255, .1); color: #fbcfe8; }
.gifs { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1fr; grid-auto-rows: auto; gap: 18px; align-items: start; }
.gifs figure { margin: 0; }
.gifs .big { grid-row: span 2; }
.gifs img { display: block; width: 100%; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 22px; background: #1a0f2e;
  border: 4px solid rgba(255, 255, 255, .14); box-shadow: 0 20px 50px -18px rgba(0, 0, 0, .8), 0 0 40px -10px rgba(168, 85, 247, .7); transition: transform .3s; }
.gifs img:hover { transform: translateY(-4px) scale(1.02); }
.gifs figcaption { margin-top: 10px; font-size: 13px; color: #bfb3dd; }
.gifs figcaption b { display: block; color: #fff; font-size: 15px; }
.gstats { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gstats li { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12); border-radius: 16px; padding: 16px; }
.gstats b { display: block; font-size: 26px; color: #fff; text-shadow: 0 0 20px rgba(168, 85, 247, .8); }
.gstats span { font-size: 13px; color: #bfb3dd; }
@media (prefers-reduced-motion: reduce) { .games::after { animation: none; } }

@media (max-width: 860px) {
  .gifs { grid-template-columns: 1fr 1fr; }
  .gifs .big { grid-column: span 2; grid-row: auto; }
  .gifs .big img { aspect-ratio: 9 / 13; }
  .gstats { grid-template-columns: 1fr 1fr; }
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .hero-phones { height: 420px; }
  .phone { width: 190px; }
  .features, .apps { grid-template-columns: 1fr; }
  .nav nav a:not(.cta) { display: none; }
}