:root{--bg:#0a0612;--bg-elevated:#181024eb;--bg-card:#140e1ed6;--border:#ffd77826;--text:#ffffffc7;--text-muted:#ffffff7a;--heading:#f1ce95;--accent:#ffb300;--accent-soft:#f1ce9533;--accent-strong:#f1ce95;--danger:#ff6b6b;--success:#69f0ae;--radius:16px;--shadow:0 24px 48px #00000073;--font-sans:"Noto Sans TC", "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", system-ui, sans-serif;--font-display:"Outfit", var(--font-sans)}html[lang^=ja]{--font-sans:"Noto Sans JP", "Noto Sans TC", system-ui, sans-serif}html[lang^=ko]{--font-sans:"Noto Sans KR", "Noto Sans TC", system-ui, sans-serif}html[lang^=zh]{--font-sans:"Noto Sans TC", system-ui, sans-serif}html[lang^=en]{--font-sans:"Noto Sans TC", "Outfit", system-ui, sans-serif}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{min-height:100svh;font-family:var(--font-sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-size:12.8px;line-height:1.6}#root{min-height:100svh}a{color:var(--accent-strong)}button{font-family:inherit}.app-shell{--landing-fs:.8;background:radial-gradient(circle at 50% -10%,#3adcff1f,#0000 42%),linear-gradient(#041027 0%,#020b1a 100%);min-height:100svh;padding:12px;position:relative;overflow:hidden}.page{z-index:1;width:min(920px,100%);padding-top:calc(52px + env(safe-area-inset-top,0px));gap:18px;margin:0 auto;display:grid;position:relative}.bg-grid{opacity:.38;pointer-events:none;background-image:linear-gradient(#3fd2ff14 1px,#0000 1px),linear-gradient(90deg,#3fd2ff14 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0}.bg-particles{pointer-events:none;z-index:0;position:absolute;inset:0}.floating-particles{position:absolute;inset:0;overflow:hidden}.particle-dot{pointer-events:none;border-radius:50%;animation-name:float-up;animation-timing-function:linear;animation-iteration-count:infinite;display:block;position:absolute;box-shadow:0 0 8px}@keyframes float-up{0%{transform:translateY(0)translate(0)}50%{opacity:.75}to{transform:translateY(-100vh) translateX(var(--particle-drift));opacity:.18}}.redeem,.step{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:linear-gradient(#051532c7,#041026bd);border:1px solid #56e4ff38;border-radius:16px;box-shadow:inset 0 1px #78f0ff1f,0 14px 34px #0000006b}@media (prefers-reduced-motion:reduce),(width<=640px){.redeem,.step{-webkit-backdrop-filter:none;backdrop-filter:none}}.fixed-lang-bar{z-index:50;pointer-events:none;filter:drop-shadow(0 2px 12px #00000073);justify-content:flex-end;width:min(920px,100% - 24px);display:flex;position:fixed;top:8px;left:50%;transform:translate(-50%)}.fixed-lang-bar>*{pointer-events:auto}.fixed-lang-bar .lang-dropdown-trigger{color:#042a38;background:linear-gradient(#f0fdff 0%,#c8f4ff 100%);border:1px solid #4dd2ffbf;font-size:.8rem;box-shadow:inset 0 1px #ffffffd9,0 2px 10px #00000059}.fixed-lang-bar .lang-dropdown-trigger:focus-visible{outline-offset:2px;outline:2px solid #78e6fff2}.fixed-lang-bar .lang-dropdown-chevron{color:#042a38;opacity:.9}.lang-dropdown{z-index:55;position:relative}.lang-dropdown-trigger{color:#062532;font-weight:700;font-size:calc(12px * var(--landing-fs));cursor:pointer;background:#071e2d38;border:1px solid #0003;border-radius:999px;align-items:center;gap:8px;min-width:7.5rem;padding:5px 10px 5px 6px;font-family:inherit;line-height:1.2;display:inline-flex}.lang-dropdown-trigger:focus-visible{outline-offset:1px;outline:2px solid #052a3a73}.lang-dropdown-current-label{text-align:left;white-space:nowrap;flex:1}.lang-dropdown-chevron{color:#062532;opacity:.85;flex-shrink:0;transition:transform .2s;display:flex}.lang-dropdown-trigger[aria-expanded=true] .lang-dropdown-chevron{transform:rotate(180deg)}.lang-dropdown-flag-wrap{border-radius:50%;flex-shrink:0;display:flex;overflow:hidden;box-shadow:0 0 0 1px #0000001f}.lang-dropdown-flag{object-fit:cover;border-radius:50%;width:22px;height:22px;display:block}.lang-dropdown-menu{z-index:300;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(#08203ef7,#04122afc);border:1px solid #56e4ff47;border-radius:12px;margin:0;padding:6px;list-style:none;box-shadow:inset 0 1px #78f0ff1a,0 18px 44px #00000080}.lang-dropdown-option{color:#ffffffeb;cursor:pointer;width:100%;font:inherit;font-weight:600;font-size:calc(13px * var(--landing-fs));text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:10px;padding:8px 10px;display:flex}.lang-dropdown-option:hover,.lang-dropdown-option:focus-visible{background:#56e4ff24;outline:none}.lang-dropdown-option.is-selected{background:#56e4ff33}.lang-dropdown-option .lang-dropdown-flag{width:24px;height:24px}.hero{width:100%;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border:0;padding:6px 0 4px}.hero-logo-link{cursor:pointer;width:100%;line-height:0;font:inherit;color:inherit;background:0 0;border:0;border-radius:12px;margin:0;padding:0;display:block}.hero-logo-link:focus-visible{outline-offset:4px;outline:2px solid #63e9ffd9}.hero-logo{filter:drop-shadow(0 0 10px #62e8ff38)drop-shadow(0 0 26px #1178dc26);width:min(190px,54%);height:auto;margin:0 auto;display:block}.section-head{border-bottom:1px solid #62e8ff33;align-items:center;gap:10px;margin:0 0 16px;padding:8px 14px;display:flex}.section-head h2{color:#63e9ff;font-size:calc(20px * var(--landing-fs));margin:0;line-height:1.2}.section-dot{background:#63e9ff;border-radius:50%;width:8px;height:8px;box-shadow:0 0 14px #63e9ffe6}.redeem{padding:0 0 18px}.redeem-card{text-align:center;background:linear-gradient(#081c38e0,#071836cc);border:1px solid #58e1ff6b;border-radius:16px;margin:0 16px;padding:22px;box-shadow:inset 0 0 0 1px #0006,0 0 20px #38d5ff2e}.redeem-card h3{color:#63e9ff;font-size:calc(26px * var(--landing-fs));margin:0 0 16px}.redeem-code{color:#62e8ff;width:min(420px,100%);font-family:ui-monospace,monospace;font-size:calc(19px * var(--landing-fs));letter-spacing:.05em;word-break:break-all;background:#020e1ea6;border:1px dashed #62e8ff73;border-radius:12px;margin:0 auto 18px;padding:14px}.redeem-post-cta{font-size:calc(15px * var(--landing-fs));color:#ffffff9e;margin:14px 0 0;line-height:1.35}.copy-btn{color:#01293a;font-weight:800;font-size:calc(22px * var(--landing-fs));cursor:pointer;background:linear-gradient(#63e9ff,#20b9f5);border:0;border-radius:999px;padding:14px 40px;box-shadow:0 0 24px #4ee2ff73}.rainbow-button{--rb-c1:#40ecff;--rb-c2:#31cfff;--rb-c3:#60a5ff;--rb-c4:#8b5cf6;--rb-c5:#22d3ee;cursor:pointer;background:linear-gradient(#041830f2, #041830f2) padding-box, linear-gradient(90deg, var(--rb-c1), var(--rb-c5), var(--rb-c3), var(--rb-c4), var(--rb-c2)) border-box;background-size:220% 220%;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;min-width:210px;padding:2px;animation:3.5s linear infinite rainbow-shift;display:inline-flex;position:relative}.rainbow-button:before{content:"";background:linear-gradient(90deg, var(--rb-c1), var(--rb-c5), var(--rb-c3), var(--rb-c4), var(--rb-c2));filter:blur(12px);opacity:.55;z-index:0;border-radius:999px;width:60%;height:18px;position:absolute;bottom:-8px;left:50%;transform:translate(-50%)}.rainbow-button-label{z-index:1;color:#fff;width:100%;font-size:calc(22px * var(--landing-fs));background:linear-gradient(#0c284cfa,#041630f5);border-radius:999px;padding:12px 28px;font-weight:800;line-height:1;position:relative}.register-rainbow-btn{margin-top:2px}.rainbow-button:hover .rainbow-button-label{background:linear-gradient(#0e305afa,#061c3af5)}@keyframes rainbow-shift{0%{background-position:0%}to{background-position:200%}}.step{padding:0 0 18px}.step-card{background:linear-gradient(#051835e6,#05122dd9);border:1px solid #58e1ff47;border-radius:16px;margin:0 16px;padding:20px 16px 10px}.step-title{text-align:center;color:#63e9ff;font-size:calc(28px * var(--landing-fs));margin:0 0 20px;line-height:1.2}.step-card ol{margin:0;padding:0;list-style:none}.step-card li{text-align:center;padding:0 0 20px;position:relative}.step-card li:before{content:"";z-index:0;background:linear-gradient(90deg,#0000,#63e9ff99,#0000);width:180px;height:1px;position:absolute;top:20px;left:50%;transform:translate(-50%)}.step-card li:last-child{padding-bottom:0}.step-card li:last-child:before{display:none}.step-card .step-num{z-index:1;width:58px;height:58px;font-weight:800;font-size:calc(28px * var(--landing-fs));color:#fff;background:radial-gradient(circle at 35% 30%,#67ecff,#1eb7df);border-radius:50%;place-items:center;margin:0 auto 10px;display:grid;position:relative;box-shadow:0 0 20px #47dfff6b}.step-icon{color:#6df1ff;z-index:2;background:linear-gradient(#02253a,#01192b);border:1px solid #6af0ffe6;border-radius:50%;place-items:center;width:22px;height:22px;display:grid;position:absolute;top:38px;left:calc(50% + 16px);box-shadow:inset 0 0 0 1px #063856bf,0 0 12px #49dfff59}.step-icon-svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:13px;height:13px}.step-card h4{color:#fff;font-size:calc(24px * var(--landing-fs));margin:0 0 6px}.step-card p{color:#ffffffb8;font-size:calc(16px * var(--landing-fs));margin:0}.cta-wrap{justify-content:center;align-items:center;margin-bottom:22px;padding:14px 0 6px;display:flex}.cta-rainbow-wide{width:min(640px,100% - 20px)}.cta-wrap .register-rainbow-btn{margin-top:0}@media (width<=640px){.cta-wrap{margin-bottom:30px;padding:12px 0 4px}.cta-rainbow-wide{width:min(640px,100% - 12px)}}@media (width<=360px){.cta-rainbow-wide{width:min(640px,100% - 10px)}}@media (width<=380px){.fixed-lang-bar{width:calc(100% - 16px);top:6px}.fixed-lang-bar .lang-dropdown-trigger{gap:6px;min-width:6.5rem;padding:4px 8px 4px 5px;font-size:.8rem}.lang-dropdown-flag{width:20px;height:20px}.page{padding-top:calc(48px + env(safe-area-inset-top,0px))}}@media (width>=768px){.app-shell{padding:20px}.page{padding-top:calc(56px + env(safe-area-inset-top,0px))}.fixed-lang-bar{filter:none;width:min(920px,100% - 40px);top:12px}.section-head h2{font-size:calc(24px * var(--landing-fs))}.step-title{font-size:calc(32px * var(--landing-fs))}.hero-logo{width:min(220px,42%)}}