:root{
  --navy:#071a31;
  --navy2:#0b3157;
  --gold:#e8c66a;
  --gold2:#fff1b2;
  --white:#f8fbff;
  --muted:#b9c8d9;
  --line:rgba(255,255,255,.14);
  --glass:rgba(9,31,57,.72);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:"Microsoft JhengHei","Noto Sans TC",system-ui,sans-serif;
  color:var(--white);min-height:100vh;
  background:
   radial-gradient(circle at 18% 10%,rgba(70,147,215,.22),transparent 27%),
   radial-gradient(circle at 82% 8%,rgba(232,198,106,.15),transparent 23%),
   linear-gradient(145deg,#031120,#082846 52%,#0c466f);
}
body:before{
  content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;
  background-image:radial-gradient(circle,rgba(255,255,255,.65) 0 1px,transparent 1.5px);
  background-size:72px 72px;
}
a{color:inherit;text-decoration:none}
.shell{width:min(1180px,92vw);margin:auto;padding:28px 0 48px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px 20px;border:1px solid var(--line);border-radius:22px;
  background:rgba(4,18,34,.65);backdrop-filter:blur(14px);
  box-shadow:0 18px 50px rgba(0,0,0,.22);
}
.brand{display:flex;align-items:center;gap:14px}
.logo{
  width:54px;height:54px;border-radius:17px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--gold2),var(--gold));
  color:#15283b;font-weight:900;font-size:24px;box-shadow:0 0 28px rgba(232,198,106,.26);
}
.brand strong{display:block;font-size:19px;letter-spacing:.08em}
.brand span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav a,.ghost-btn{
  padding:10px 14px;border:1px solid var(--line);border-radius:13px;
  background:rgba(255,255,255,.055);font-weight:700;font-size:14px;
}
.hero{
  min-height:520px;display:grid;grid-template-columns:1.08fr .92fr;
  align-items:center;gap:48px;padding:62px 24px 44px;
}
.eyebrow{color:var(--gold2);font-weight:800;letter-spacing:.16em;font-size:13px}
h1{font-size:clamp(38px,6vw,72px);line-height:1.08;margin:17px 0 20px;letter-spacing:.02em}
.hero p{font-size:18px;line-height:1.9;color:#d6e2ee;max-width:690px}
.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:28px}
.primary{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 24px;border-radius:16px;color:#17283b;font-weight:900;
  background:linear-gradient(135deg,var(--gold2),var(--gold));
  box-shadow:0 14px 35px rgba(232,198,106,.22);
}
.secondary{
  display:inline-flex;align-items:center;justify-content:center;padding:15px 24px;
  border-radius:16px;border:1px solid var(--line);font-weight:800;
  background:rgba(255,255,255,.07)
}
.hero-card{
  position:relative;min-height:390px;border-radius:34px;padding:28px;
  display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(165deg,rgba(18,59,96,.92),rgba(4,19,36,.92));
  border:1px solid rgba(255,241,178,.22);
  box-shadow:0 35px 80px rgba(0,0,0,.32),inset 0 0 50px rgba(255,255,255,.035);
  overflow:hidden
}
.hero-card:before{
  content:"";position:absolute;inset:-35%;background:conic-gradient(from 0deg,transparent,#e8c66a22,transparent,#70bff522,transparent);
  animation:rotate 13s linear infinite
}
.stage-inner{position:relative;text-align:center}
.stage-inner .small{color:var(--gold2);font-weight:800;letter-spacing:.14em}
.stage-inner .prize{font-size:25px;margin:23px 0 12px}
.stage-inner .winner{
  font-size:clamp(34px,5vw,58px);font-weight:1000;padding:22px 12px;
  border-radius:22px;border:1px solid rgba(255,255,255,.15);
  background:rgba(0,0,0,.2);text-shadow:0 0 24px rgba(232,198,106,.34)
}
.stage-inner .status{margin-top:18px;color:#c9d7e5}
.section{padding:34px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 28px}
.section-head h2{font-size:34px;margin:0 0 10px}
.section-head p{color:var(--muted);line-height:1.8}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  padding:25px;border:1px solid var(--line);border-radius:24px;
  background:linear-gradient(160deg,rgba(11,43,75,.82),rgba(5,23,43,.82));
  box-shadow:0 20px 50px rgba(0,0,0,.18);
  transition:.25s transform,.25s border-color
}
.card:hover{transform:translateY(-5px);border-color:rgba(232,198,106,.45)}
.icon{font-size:38px}
.card h3{font-size:22px;margin:15px 0 9px}
.card p{color:#c6d4e3;line-height:1.75;min-height:84px}
.card .open{
  display:inline-flex;margin-top:10px;padding:11px 16px;border-radius:12px;
  background:rgba(232,198,106,.12);border:1px solid rgba(232,198,106,.3);
  color:var(--gold2);font-weight:800
}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.feature{
  padding:18px;border-radius:18px;border:1px solid var(--line);
  background:rgba(255,255,255,.045);text-align:center
}
.feature b{display:block;margin:9px 0 4px}
.feature span{font-size:13px;color:var(--muted)}
.footer{text-align:center;color:#9fb1c3;padding:45px 0 8px;font-size:13px}
@keyframes rotate{to{transform:rotate(360deg)}}
@media(max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:46px}.cards{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}.nav{display:none}
}
@media(max-width:540px){
  .shell{width:min(94vw,1180px)}.topbar{padding:13px}.brand strong{font-size:16px}
  .hero{padding-left:4px;padding-right:4px}.hero-card{min-height:330px;padding:18px}
  .feature-grid{grid-template-columns:1fr 1fr}h1{font-size:42px}
}