:root{color-scheme:dark;--purple:#a943f1;--cyan:#87f7ff}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Arial,sans-serif;background:#0a0420;color:#fff}.portal{position:relative;min-height:100svh;overflow:hidden;background:radial-gradient(circle at 20% 15%,rgba(75,42,220,.7),transparent 38%),radial-gradient(circle at 82% 36%,rgba(255,62,151,.42),transparent 34%),linear-gradient(180deg,#180c48,#09031d)}.cyber-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(119,82,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(119,82,255,.12) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(transparent,#000 35%,transparent)}.portal-content{position:relative;width:min(100%,520px);min-height:100svh;margin:auto;padding:6vh 20px calc(34px + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:center}.brand{text-align:center}.brand span{display:block;font-size:clamp(44px,13vw,68px);font-weight:900;font-style:italic;letter-spacing:4px;text-shadow:0 0 18px #7e3ef1}.brand small{display:inline-block;margin-top:10px;padding:5px 16px;border:1px solid rgba(135,247,255,.5);border-radius:999px;color:var(--cyan);letter-spacing:3px}.portal-icon{width:128px;height:128px;margin:4vh 0 3vh;border-radius:29px;box-shadow:0 0 0 3px rgba(155,93,255,.7),0 0 35px rgba(55,208,255,.55)}.platform-card{width:100%;padding:18px;border:1px solid rgba(202,151,255,.7);border-radius:21px;background:rgba(20,9,52,.82);box-shadow:0 14px 35px rgba(9,3,30,.28)}.platform-card+.platform-card{margin-top:14px}.platform-heading{display:flex;align-items:center;gap:13px}.platform-heading h1{font-size:20px;margin:0 0 4px}.platform-heading p{font-size:13px;color:#cfc4df;margin:0}.platform-icon{display:grid;place-items:center;width:40px;height:40px;flex:0 0 40px;border:2px solid #fff;border-radius:50%;font-weight:800}.platform-icon.ios{border-radius:11px;font-size:12px}.line-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}.line-buttons a,.ios-entry{display:flex;align-items:center;justify-content:center;min-height:48px;border:1px solid rgba(255,255,255,.5);border-radius:14px;color:#fff;text-decoration:none;font-weight:700;background:linear-gradient(180deg,#b961fb,#7e26e4 50%,#d72fe2);box-shadow:inset 0 2px 4px rgba(255,255,255,.35),0 4px 0 rgba(55,8,99,.7)}.ios-entry{margin-top:16px}.ios-entry span{font-size:26px;margin-left:8px}.about{margin-top:auto;padding-top:4vh;text-align:center}.about h2{font-size:21px;color:var(--cyan);margin:0 0 12px}.about p{margin:0;padding:15px 18px;border:1px solid var(--purple);border-radius:18px;background:rgba(19,8,48,.72);font-size:14px;line-height:1.7;color:#ede5ff}@media(max-height:760px){.portal-content{padding-top:3vh}.brand span{font-size:40px}.portal-icon{width:96px;height:96px;margin:2vh 0}.platform-card{padding:14px}.about{padding-top:2vh}}