*{margin:0;padding:0;box-sizing:border-box}
html,body{width:100%;height:100%;overflow:hidden;background:#050510;font-family:"Cinzel","Noto Serif SC",serif;color:#e8dcc8}

.stars,.stars2,.stars3{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none}
.stars{background:radial-gradient(1px 1px at 20px 30px,#fff,transparent),radial-gradient(1px 1px at 40px 70px,#fff,transparent),radial-gradient(1px 1px at 50px 160px,#ddd,transparent),radial-gradient(1px 1px at 90px 40px,#fff,transparent),radial-gradient(1px 1px at 130px 80px,#fff,transparent),radial-gradient(1px 1px at 160px 120px,#ddd,transparent);background-size:200px 200px;animation:drift 120s linear infinite;opacity:.6}
.stars2{background:radial-gradient(1.5px 1.5px at 10px 50px,#c9a84c,transparent),radial-gradient(1px 1px at 80px 120px,#fff,transparent),radial-gradient(1.5px 1.5px at 150px 30px,#7fe8d4,transparent);background-size:300px 300px;animation:drift 180s linear infinite;opacity:.4}
.stars3{background:radial-gradient(2px 2px at 60px 90px,#fff,transparent),radial-gradient(1px 1px at 180px 150px,#c9a84c,transparent);background-size:400px 400px;animation:drift 240s linear infinite;opacity:.3}
@keyframes drift{from{transform:translateY(0)}to{transform:translateY(-200px)}}

.center-stage{position:relative;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1}

.orbit-system{position:relative;width:420px;height:420px;margin-bottom:20px}
.orbit{position:absolute;top:50%;left:50%;border:1px solid rgba(201,168,76,.15);border-radius:50%;transform:translate(-50%,-50%)}
.orbit-1{width:180px;height:180px;animation:spin 20s linear infinite}
.orbit-2{width:260px;height:260px;animation:spin 35s linear infinite reverse}
.orbit-3{width:340px;height:340px;animation:spin 50s linear infinite}
.orbit-4{width:420px;height:420px;animation:spin 70s linear infinite reverse}
@keyframes spin{from{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}

.planet{position:absolute;width:8px;height:8px;border-radius:50%;top:-4px;left:50%;transform:translateX(-50%)}
.p1{background:#c9a84c;box-shadow:0 0 12px #c9a84c}
.p2{background:#7fe8d4;width:6px;height:6px;box-shadow:0 0 10px #7fe8d4}
.p3{background:#e8dcc8;width:5px;height:5px;box-shadow:0 0 8px #e8dcc8}
.p4{background:#c9a84c;width:7px;height:7px;box-shadow:0 0 14px #c9a84c}

.scepter{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3}
.scepter-rod{position:absolute;top:50%;left:50%;width:3px;height:140px;background:linear-gradient(to bottom,transparent,#c9a84c 20%,#e8dcc8 50%,#c9a84c 80%,transparent);transform:translate(-50%,-50%) rotate(0deg);animation:scepter-rotate 40s linear infinite;box-shadow:0 0 8px rgba(201,168,76,.5)}
@keyframes scepter-rotate{from{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}
.scepter-core{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:50px;height:50px}
.core-glow{position:absolute;width:100%;height:100%;border-radius:50%;background:radial-gradient(circle,rgba(127,232,212,.6),transparent 70%);animation:pulse 3s ease-in-out infinite}
.core-inner{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:24px;height:24px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff,#7fe8d4 40%,#2a8a78 100%);box-shadow:0 0 30px rgba(127,232,212,.8),inset 0 0 10px rgba(255,255,255,.3)}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.4);opacity:1}}

.energy-sphere{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:120px;height:120px;z-index:2}
.sphere-glow{position:absolute;width:100%;height:100%;border-radius:50%;background:radial-gradient(circle,rgba(127,232,212,.25),transparent 65%);animation:sphere-pulse 4s ease-in-out infinite}
.sphere-inner{position:absolute;top:10%;left:10%;width:80%;height:80%;border-radius:50%;background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.4),rgba(127,232,212,.15) 40%,rgba(5,5,16,.6) 100%);border:1px solid rgba(127,232,212,.3);backdrop-filter:blur(2px);box-shadow:inset 0 0 30px rgba(127,232,212,.2),0 0 40px rgba(127,232,212,.15)}
.sphere-highlight{position:absolute;top:18%;left:25%;width:25%;height:18%;border-radius:50%;background:radial-gradient(ellipse,rgba(255,255,255,.5),transparent);filter:blur(2px)}
@keyframes sphere-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}

.brand-block{text-align:center;margin-top:10px;z-index:4}
.brand-cn{font-size:52px;font-weight:900;letter-spacing:18px;background:linear-gradient(180deg,#f5e6c8,#c9a84c 50%,#8a6d2a);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 40px rgba(201,168,76,.3);margin-bottom:8px;padding-left:18px}
.brand-en{font-size:13px;letter-spacing:8px;color:rgba(201,168,76,.6);margin-bottom:16px;text-transform:uppercase}
.slogan{font-size:18px;letter-spacing:12px;color:#e8dcc8;opacity:.85;padding-left:12px}

.entry-point{margin-top:36px;z-index:4}
.portal-btn{display:inline-flex;align-items:center;gap:14px;padding:14px 36px;border:1px solid rgba(201,168,76,.4);border-radius:2px;background:rgba(201,168,76,.05);color:#e8dcc8;text-decoration:none;font-size:15px;letter-spacing:4px;transition:all .3s;position:relative;overflow:hidden}
.portal-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(201,168,76,.15),transparent);transition:left .5s}
.portal-btn:hover{border-color:rgba(201,168,76,.8);box-shadow:0 0 20px rgba(201,168,76,.2),inset 0 0 20px rgba(201,168,76,.05)}
.portal-btn:hover::before{left:100%}
.portal-icon{font-size:18px;color:#c9a84c}
.portal-arrow{color:#c9a84c;transition:transform .3s}
.portal-btn:hover .portal-arrow{transform:translateX(4px)}

.foot-note{position:absolute;bottom:24px;font-size:11px;letter-spacing:3px;color:rgba(232,220,200,.3);z-index:4}
.foot-note .divider{margin:0 12px}

@media(max-width:600px){
  .orbit-system{width:300px;height:300px}
  .orbit-4{width:300px;height:300px}
  .orbit-3{width:240px;height:240px}
  .brand-cn{font-size:36px;letter-spacing:12px}
  .slogan{font-size:14px;letter-spacing:8px}
}