:root{--bg: #04040f;--pink: #ff2ca8;--hot: #ff4d5f;--cyan: #17f2ff;--gold: #ffd36c;--lime: #53ff7a;--text: #ffffff;--muted: rgba(255, 255, 255, .74)}*{box-sizing:border-box;margin:0;padding:0;font-family:PingFang SC,Microsoft YaHei,Arial,sans-serif}html,body,#app,.download-page{min-width:100%;min-height:100%}body{min-height:100vh;background:var(--bg);color:var(--text);overflow-x:hidden}.landing{position:relative;min-height:100vh;overflow:hidden;isolation:isolate;background:linear-gradient(180deg,#03030d1a,#03030d61),radial-gradient(circle at 18% 80%,rgba(0,221,255,.14),transparent 26%),radial-gradient(circle at 82% 12%,rgba(255,43,168,.18),transparent 30%),url(/permission_overlay_bg.webp) center top / contain no-repeat}.landing:before{content:"";position:fixed;inset:0;z-index:-4;background:linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(0deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:linear-gradient(to bottom,transparent,#000 18%,transparent 92%);mask-image:linear-gradient(to bottom,transparent,#000 18%,transparent 92%)}.light-field{position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 48% 18%,rgba(255,255,255,.1),transparent 12%),radial-gradient(circle at 58% 56%,rgba(255,44,168,.12),transparent 22%),linear-gradient(180deg,#0000,#02030c57)}.beam{position:fixed;z-index:-2;width:420px;height:760px;opacity:.24;filter:blur(16px);transform-origin:center top;pointer-events:none}.beam-one{top:-150px;left:8%;background:linear-gradient(180deg,rgba(23,242,255,.58),transparent);transform:rotate(22deg)}.beam-two{top:-120px;right:2%;background:linear-gradient(180deg,rgba(255,44,168,.62),transparent);transform:rotate(-28deg)}.poster-grid{position:fixed;inset:0;z-index:-1;pointer-events:none}.poster-grid span{position:absolute;min-width:84px;padding:8px 14px;border:1px solid rgba(255,211,108,.52);border-radius:8px;color:#ffffffdb;background:#00000047;box-shadow:0 0 24px #ff2ca842;font-size:18px;font-weight:900;text-align:center}.poster-grid span:nth-child(1){top:26%;left:5%;transform:rotate(-8deg)}.poster-grid span:nth-child(2){top:40%;right:7%;transform:rotate(7deg)}.poster-grid span:nth-child(3){top:70%;left:10%;transform:rotate(5deg)}.poster-grid span:nth-child(4){top:18%;right:20%;transform:rotate(-5deg)}.poster-grid span:nth-child(5){bottom:13%;right:13%;transform:rotate(8deg)}.poster-grid span:nth-child(6){bottom:34%;left:22%;transform:rotate(-4deg)}.topbar{width:min(100%,1120px);min-height:70px;margin:0 auto;padding:18px 24px 8px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-size:26px;font-weight:900;text-shadow:0 0 18px rgba(255,44,168,.82)}.brand-mark{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:linear-gradient(135deg,var(--cyan),var(--pink) 48%,var(--gold));color:#fff;box-shadow:0 0 26px #ff2ca8c7}.age-pill{min-width:56px;min-height:34px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.42);border-radius:999px;color:var(--gold);font-weight:900;background:#ffffff14}.container{width:min(100%,1120px);margin:0 auto;padding:22px 24px 36px}.hero{min-height:calc(100vh - 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