:root{
  --navy:#173758;
  --navy2:#234d73;
  --green:#93bf36;
  --green-dark:#769d22;
  --paper:#f7f9f3;
  --text:#173758;
  --muted:#667788;
  --line:rgba(23,55,88,.12);
  --shadow:0 24px 70px rgba(31,54,74,.13);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;min-height:100vh;color:var(--text);
  background:
    radial-gradient(circle at 78% 10%,rgba(147,191,54,.17),transparent 32rem),
    radial-gradient(circle at 10% 75%,rgba(36,77,115,.08),transparent 34rem),
    var(--paper);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",
  "PingFang HK","PingFang TC","Microsoft JhengHei","Noto Sans TC",Arial,sans-serif
}
a{color:inherit}
.shell{width:min(1180px,calc(100% - 40px));margin:0 auto}
header{display:flex;align-items:center;justify-content:space-between;padding:25px 0}
.brand{display:inline-flex;align-items:center;gap:13px;text-decoration:none;font-weight:800;letter-spacing:-.025em;font-size:20px}
.brand img{height:80px;object-fit:contain;}
.brand small{display:block;margin-top:2px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--green-dark)}
.nav{display:flex;align-items:center;gap:18px}
.lang-switch{display:flex;align-items:center;gap:4px;padding:4px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.68)}
.lang-switch a{padding:7px 10px;border-radius:999px;text-decoration:none;color:var(--muted);font-size:12px;font-weight:700}
.lang-switch a.active{background:var(--navy);color:#fff}
.home-link{color:var(--muted);font-size:13px;font-weight:650;text-decoration:none}
main{padding:58px 0 80px}
.hero{display:grid;grid-template-columns:minmax(0,.92fr) minmax(420px,1.08fr);gap:68px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:8px 12px;border:1px solid rgba(147,191,54,.32);border-radius:999px;background:rgba(255,255,255,.72);color:var(--green-dark);font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(147,191,54,.14)}
h1{margin:22px 0 20px;max-width:700px;font-size:clamp(44px,6vw,74px);line-height:1.01;letter-spacing:-.05em}
.lead{max-width:590px;margin:0;font-size:clamp(18px,2vw,21px);line-height:1.65;color:var(--muted)}
.lead strong{color:var(--navy);font-weight:800}
.download-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.download-btn{min-width:220px;min-height:70px;display:inline-flex;align-items:center;gap:14px;padding:13px 20px;border-radius:16px;border:1px solid transparent;text-decoration:none;transition:.18s ease}
.download-btn svg{width:30px;height:30px;flex:0 0 auto}
.copy{display:flex;flex-direction:column;align-items:flex-start;line-height:1.05}
.overline{margin-bottom:7px;font-size:11px;font-weight:700;opacity:.72;letter-spacing:.05em}
.name{font-size:18px;font-weight:800}
.windows{color:#fff;background:var(--navy);box-shadow:0 15px 34px rgba(23,55,88,.22)}
.windows:hover{transform:translateY(-2px);background:var(--navy2);box-shadow:0 19px 42px rgba(23,55,88,.27)}
.disabled{position:relative;color:#7f8b96;background:rgba(255,255,255,.72);border-color:var(--line);cursor:not-allowed;user-select:none}
.coming{position:absolute;top:-9px;right:12px;padding:5px 9px;border-radius:999px;background:var(--green);color:var(--navy);font-size:10px;line-height:1;font-weight:900;letter-spacing:.04em}
.requirements{display:flex;flex-wrap:wrap;gap:18px 26px;margin-top:23px;color:var(--muted);font-size:13px}
.requirements span{display:inline-flex;align-items:center;gap:8px}
.requirements span:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
.visual-wrap{position:relative}
.visual-glow{position:absolute;inset:12% 8% -7%;border-radius:50%;background:radial-gradient(circle,rgba(147,191,54,.25),rgba(147,191,54,0) 68%);filter:blur(10px)}
.art-card{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.95);border-radius:30px;background:rgba(255,255,255,.72);box-shadow:var(--shadow);backdrop-filter:blur(18px);transform:perspective(1200px) rotateY(-2deg) rotateX(1deg)}
.art-card:before{content:"";display:block;height:42px;border-bottom:1px solid var(--line);background:
radial-gradient(circle at 23px 21px,#ff6b66 0 5px,transparent 6px),
radial-gradient(circle at 43px 21px,#ffc75a 0 5px,transparent 6px),
radial-gradient(circle at 63px 21px,#71cd73 0 5px,transparent 6px),
rgba(255,255,255,.72)}
.art-card img{display:block;width:100%;height:auto;min-height:360px;object-fit:cover;object-position:center}
.fallback{display:none;min-height:380px;align-items:center;justify-content:center;text-align:center;padding:40px;background:linear-gradient(135deg,#f8faf4,#eef3ea)}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:78px}
.feature{padding:24px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.63)}
.feature .num{color:var(--green-dark);font-size:12px;font-weight:900;letter-spacing:.13em}
.feature h2{margin:9px 0 8px;font-size:17px;letter-spacing:-.02em}
.feature p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
footer{border-top:1px solid var(--line)}
.footer-inner{display:flex;justify-content:space-between;gap:24px;padding:25px 0 32px;color:var(--muted);font-size:12px}
@media(max-width:920px){
  main{padding-top:34px}.hero{grid-template-columns:1fr;gap:46px}.visual-wrap{width:min(720px,100%);margin:0 auto}.art-card{transform:none}.features{margin-top:58px}
}
@media(max-width:660px){
  .shell{width:min(100% - 28px,1180px)}header{padding:17px 0;align-items:flex-start}.brand small{display:none}.nav{gap:8px;flex-direction:column;align-items:flex-end}.home-link{font-size:12px}
  main{padding:32px 0 54px}h1{font-size:clamp(42px,14vw,60px)}.lead{font-size:17px}.download-actions{display:grid;grid-template-columns:1fr}.download-btn{width:100%;min-width:0}.requirements{display:grid;gap:9px}.art-card{border-radius:21px}.art-card img{min-height:240px}.features{grid-template-columns:1fr}.footer-inner{flex-direction:column;gap:8px}
}