:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:rgba(15,23,42,.08);
  --shadow:0 14px 35px rgba(15,23,42,.08), 0 3px 10px rgba(15,23,42,.06);
  --radius:14px;
  --radius-lg:18px;
  --accent:#12b886;
  --chip-bg:#eefcf6;
  --chip-text:#0b7a57;
  --pill-bg:#f1f5f9;
  --pill-text:#334155;
  --fab:#ff5c93;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color:var(--text);
  background:linear-gradient(#ffffff, var(--bg) 34%, var(--bg));
  display:flex;
  flex-direction:column;
}

a{color:inherit; text-decoration:none}

.topbar{
  position:sticky; top:0; z-index:20;
  background:rgba(255,255,255,.78);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  max-width:1160px;
  margin:0 auto;
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:14px;
}
.topbar__spacer{flex:1}
.nav{display:flex; align-items:center; gap:12px}
.nav__link{
  font-size:14px;
  letter-spacing:.06em;
  color:rgba(15,23,42,.75);
  padding:8px 10px;
  border-radius:10px;
}
.nav__link.is-active{
  color:rgba(15,23,42,.92);
  background:rgba(15,23,42,.04);
}
.brand{display:inline-flex; align-items:center; justify-content:center}
.brand--right{justify-self:flex-end}
.brand__logo{
  width:34px; height:34px;
  border-radius:10px;
  object-fit:cover;
  box-shadow:0 8px 16px rgba(15,23,42,.1);
}
.topbar__back{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(15,23,42,.8);
  padding:8px 10px;
  border-radius:12px;
}
.topbar__back:hover{background:rgba(15,23,42,.04)}
.topbar__backIcon{font-size:18px; line-height:1}

.page{
  max-width:1160px;
  margin:0 auto;
  padding:26px 18px 54px;
  flex:1;
  width:100%;
}
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content:center;
  padding:8px 0 22px;
}
.section__title{
  margin:0;
  font-size:14px;
  letter-spacing:.2em;
  color:rgba(15,23,42,.62);
}

.grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:26px;
  align-items:start;
}

.card{
  background:var(--card);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  border:1px solid rgba(15,23,42,.06);
  transition:transform .18s ease, box-shadow .18s ease;
  position:relative;
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 44px rgba(15,23,42,.12), 0 5px 14px rgba(15,23,42,.08);
}
.card__media{
  position:relative;
  aspect-ratio: 16 / 8;
  background:transparent;
  display:flex;
  align-items:center;
  justify-content:center;
}
.card__img{
  width:100%; height:100%;
  object-fit:contain;
  object-position:center;
  display:block;
}
.chip{
  position:absolute;
  top:14px; left:14px;
  background:var(--chip-bg);
  color:var(--chip-text);
  border:1px solid rgba(18,184,134,.25);
  padding:6px 10px;
  font-size:12px;
  border-radius:999px;
  box-shadow:0 10px 18px rgba(15,23,42,.08);
}
.card__body{
  padding:18px 18px 16px;
}
.card__title{
  margin:0 0 10px;
  font-size:18px;
  letter-spacing:.02em;
}
.card__desc{
  margin:0 0 14px;
  font-size:13px;
  line-height:1.8;
  color:var(--muted);
}
.pills{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0 0 14px;
  padding:0;
  list-style:none;
}
.pill{
  font-size:12px;
  color:var(--pill-text);
  background:var(--pill-bg);
  border:1px solid rgba(15,23,42,.06);
  padding:6px 10px;
  border-radius:999px;
}
.card__foot{
  display:flex;
  align-items:center;
  gap:10px;
}
.card__year{
  font-size:12px;
  color:rgba(15,23,42,.5);
}
.card__go{
  margin-left:auto;
  width:28px; height:28px;
  border-radius:10px;
  display:grid;
  place-items:center;
  color:rgba(18,184,134,.95);
  border:1px solid rgba(18,184,134,.25);
  background:rgba(18,184,134,.06);
}
.card__go span{transform:translateX(1px)}

.detail{padding-top:4px}
.detail__meta{
  padding:26px 0 18px;
}
.detail__chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--chip-text);
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  background:var(--chip-bg);
  border:1px solid rgba(18,184,134,.25);
}
.detail__title{
  margin:12px 0 10px;
  font-size:48px;
  letter-spacing:.02em;
}
.detail__subtitle{
  margin:0 0 22px;
  font-size:14px;
  color:rgba(15,23,42,.62);
}
.kv{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:18px;
  padding:14px 0 6px;
}
.kv__item{
  padding:12px 0;
}
.kv__k{
  font-size:12px;
  color:rgba(15,23,42,.55);
  margin:0 0 10px;
}
.kv__v{
  font-size:14px;
  color:rgba(15,23,42,.82);
  margin:0;
  font-weight:600;
}
.detail__screenshots{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:18px;
  justify-items:center;
}
.detail__screenshot{
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(15,23,42,.06);
  box-shadow:var(--shadow);
  background:transparent;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
}
.detail__links{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.detail__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  background:var(--chip-bg);
  color:var(--chip-text);
  border:1px solid rgba(18,184,134,.25);
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  text-decoration:none;
  transition:all 0.18s ease;
}
.detail__link:hover{
  background:rgba(18,184,134,.12);
  transform:translateY(-1px);
}
.detail__linkIcon{
  font-size:16px;
}
.detail__screenshotImg{
  width:100%;
  display:block;
  max-height:400px;
  object-fit:contain;
  object-position:center;
}

.fab{
  position:fixed;
  right:18px;
  top:50%;
  transform:translateY(-50%);
  width:38px;
  height:38px;
  border-radius:999px;
  border:0;
  background:var(--fab);
  color:#fff;
  box-shadow:0 16px 34px rgba(255,92,147,.28), 0 6px 14px rgba(15,23,42,.12);
  cursor:pointer;
  display:none;
  align-items:center;
  justify-content:center;
}
.fab.is-show{display:flex}
.fab__icon{font-size:16px; transform:translateY(-1px)}

@media (max-width: 980px){
  .grid{grid-template-columns:1fr}
  .detail__title{font-size:40px}
  .kv{grid-template-columns:repeat(2, minmax(0, 1fr))}
  .detail__screenshots{grid-template-columns:1fr}
}
@media (max-width: 520px){
  .detail__title{font-size:34px}
  .topbar__inner{padding:12px 14px}
  .page{padding:18px 14px 54px}
}

.footer{
  background:#1e293b;
  color:#94a3b8;
  padding:32px 18px;
  margin-top:auto;
}
.footer__inner{
  max-width:1160px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.footer__left,
.footer__center,
.footer__right{
  flex-shrink:0;
}
.footer__brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.footer__logo{
  width:36px;
  height:36px;
  border-radius:10px;
  object-fit:cover;
  box-shadow:0 8px 16px rgba(0,0,0,.2);
}
.footer__name{
  font-size:14px;
  font-weight:600;
  color:#e2e8f0;
}
.footer__social{
  display:flex;
  gap:12px;
}
.footer__socialLink{
  width:40px;
  height:40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:rgba(148,163,184,.1);
  transition:all 0.18s ease;
}
.footer__socialLink:hover{
  background:rgba(148,163,184,.2);
  transform:translateY(-2px);
}
.footer__socialIcon{
  width:20px;
  height:20px;
  display:block;
  color:#94a3b8;
}
.footer__copyright{
  margin:0;
  font-size:13px;
  color:rgba(148,163,184,.8);
}

@media (max-width: 768px){
  .footer__inner{
    flex-direction:column;
    gap:20px;
  }
  .footer__brand{
    justify-content:center;
  }
}