:root{--color-primary: #3b6cf6;--color-primary-dark: #2a52cc;--color-primary-50: #eef3ff;--color-primary-100: #dbe5ff;--color-bg: #ffffff;--color-text: #1a1d29;--color-text-secondary: #5c6378;--color-text-tertiary: #99a0b3;--shadow-md: 0 4px 20px rgba(0, 0, 0, .06);--radius-full: 9999px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;color:var(--color-text);background:#000;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}.landing-page{width:100%;height:100%;position:relative;overflow:hidden}.lp-swiper{width:100%;height:100%;display:flex;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none}.lp-swiper::-webkit-scrollbar{display:none}.lp-slide{flex:0 0 100%;width:100%;height:100%;scroll-snap-align:start;position:relative;overflow:hidden;background:#000;display:flex;align-items:center;justify-content:center}.lp-slide-img{width:100%;height:100%;object-fit:contain;object-position:center}.lp-slide-overlay{position:absolute;bottom:70px;left:0;right:0;padding:0 24px;background:linear-gradient(transparent,#000000bf);color:#fff;text-align:center}.lp-slide-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;background:#fff3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-full);font-size:12px;font-weight:500;margin-bottom:12px}.lp-slide-title{font-size:28px;font-weight:700;line-height:1.3;margin-bottom:8px;text-shadow:0 2px 8px rgba(0,0,0,.3)}.lp-slide-desc{font-size:14px;color:#ffffffd9;line-height:1.6}.lp-dots{position:absolute;bottom:76px;left:50%;transform:translate(-50%);display:flex;gap:8px;z-index:10}.lp-dot{width:8px;height:8px;border-radius:50%;background:#fff6;cursor:pointer;transition:all .3s ease}.lp-dot.active{background:#fff;width:24px;border-radius:4px}.lp-swipe-hint{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background:#fff3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;z-index:10;animation:hint-pulse 2s ease-in-out infinite}.lp-swipe-hint-left{right:auto;left:16px}@keyframes hint-pulse{0%,to{opacity:.6}50%{opacity:1}}.lp-invite-bar{position:absolute;top:16px;left:16px;right:16px;z-index:10}.lp-invite-inner{display:flex;align-items:center;gap:12px;padding:10px 16px;background:#ffffff26;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:var(--radius-full);border:1px solid rgba(255,255,255,.2)}.lp-invite-code{flex:1;font-size:18px;font-weight:700;font-family:SF Mono,Monaco,Cascadia Code,Consolas,monospace;color:#fff;letter-spacing:2px}.lp-copy-btn{padding:6px 16px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-full);font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;transition:background .2s}.lp-copy-btn:hover{background:var(--color-primary-dark)}.lp-copy-btn.copied{background:#10b981}.lp-bottom-bar{position:absolute;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;padding-bottom:max(12px,env(safe-area-inset-bottom));background:#0009;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:10}.lp-bottom-text{display:flex;flex-direction:column;gap:2px}.lp-bottom-title{font-size:15px;font-weight:600;color:#fff}.lp-bottom-sub{font-size:11px;color:#fff9}.lp-download-btns{display:flex;align-items:center;gap:10px}.lp-download-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-full);font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .25s ease;box-shadow:0 4px 16px #3b6cf666}.lp-download-btn-ios{background:#ffffff2e;border:1px solid rgba(255,255,255,.45);box-shadow:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.lp-download-btn:hover{background:var(--color-primary-dark);transform:translateY(-1px)}.lp-download-btn-ios:hover{background:#ffffff47}.lp-download-btn:active{transform:scale(.97)}.lp-toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);padding:10px 24px;background:#000000d9;color:#fff;border-radius:var(--radius-full);font-size:14px;z-index:1000;animation:toast-in .3s ease;white-space:nowrap}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media(min-width:768px){.lp-slide-title{font-size:36px}.lp-slide-desc{font-size:16px}.lp-slide-overlay{bottom:80px}}