:root{color:#2f3552;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#e8f5e9;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#app{min-height:100%}body{background:#e8f5e9;margin:0}a,button{font:inherit}button{cursor:pointer;border:none}.page-shell{background:#e8f5e9;place-items:center;min-height:100vh;padding:32px 18px;display:grid}.phone-stage{background:#e8f5e9;border-radius:28px;place-items:center;width:min(100%,1000px);min-height:560px;padding:18px;display:grid}.download-card{background:linear-gradient(#90d6a5 0%,#7fcca0 100%);border-radius:34px;width:min(100%,398px);min-height:620px;padding:22px;box-shadow:0 28px 80px #ff568938}.download-card__content{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:576px;display:flex}.brand-badge{background:#ffffffe0;border-radius:50%;width:112px;height:112px;padding:7px;box-shadow:0 10px 30px #751a4238}.brand-badge__logo{border-radius:50%;width:100%;height:100%;display:block}.brand-copy{color:#fff;margin-top:24px}.brand-copy h1{letter-spacing:.02em;margin:0;font-size:clamp(34px,6vw,42px);font-weight:800;line-height:1.1}.brand-copy p{color:#ffffffeb;margin:12px 0 0;font-size:16px}.action-group{gap:16px;width:100%;max-width:282px;margin-top:58px;display:grid}.download-button{border-radius:999px;justify-content:center;align-items:center;gap:10px;width:100%;height:58px;font-weight:700;text-decoration:none;transition:transform .2s,box-shadow .2s,opacity .2s;display:inline-flex}.download-button:hover{transform:translateY(-1px)}.download-button__icon{font-size:22px;line-height:1}.download-button__icon--svg{justify-content:center;align-items:center;width:24px;height:24px;font-size:0;display:inline-flex}.download-button__icon--svg svg{width:24px;height:24px;display:block}.download-button--ios{color:#fff;background:linear-gradient(135deg,#ff58a8 0%,#ff6f8f 100%);box-shadow:0 14px 30px #ff509147}.download-button--android{color:#fff;background:linear-gradient(135deg,#45b9ff 0%,#5f7cff 100%);box-shadow:0 14px 30px #4890ff47}.helper-text,.tip-text{margin:16px 0 0;padding:0 12px;line-height:1.7}.helper-text{color:#ffffffe6;font-size:14px}.tip-text{color:#fff7d6;font-size:13px}@media (width<=640px){.page-shell{padding:18px 12px}.phone-stage{border-radius:24px;min-height:100vh;padding:12px}.download-card{min-height:580px;padding:18px}.download-card__content{min-height:544px}.brand-badge{width:96px;height:96px}.action-group{margin-top:46px}}