:root{--primary-color: #f7b500;--secondary-color: #ffe28a;--accent-color: #8a4b00;--bg-warm: #fff8df;--text-dark: #3a2600;--text-muted: #7b5a18}*{margin:0;padding:0;box-sizing:border-box;font-family:PingFang SC,Microsoft YaHei,Arial,sans-serif}html,body,#app,.download-page{min-width:100%;min-height:100%}body{background-color:var(--bg-warm);color:var(--text-dark);line-height:1.6;overflow-x:hidden}.landing{position:relative;min-height:100vh;overflow:hidden}.bg-glow{position:fixed;inset:0;background:radial-gradient(circle at 50% 18%,rgba(255,224,111,.88) 0%,rgba(255,190,48,.34) 32%,transparent 62%),linear-gradient(180deg,#fff4bf,#fff8df 48%,#fff);z-index:-1}nav{padding:20px;text-align:center;font-weight:800;font-size:24px;color:var(--accent-color);letter-spacing:2px}.container{max-width:520px;margin:0 auto;padding:36px 20px 44px;text-align:center}.logo{width:108px;height:108px;background:linear-gradient(135deg,#fff3a8,#f7b500);border-radius:24px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;color:#663700;font-size:28px;font-weight:900;box-shadow:0 14px 30px #f7b50057;border:2px solid rgba(255,255,255,.8);animation:pulse 2.4s infinite}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.04)}to{transform:scale(1)}}.eyebrow{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:5px 16px;border-radius:999px;background:#ffffffb8;color:var(--accent-color);font-size:.92rem;font-weight:800;border:1px solid rgba(247,181,0,.28);margin-bottom:12px}h1{font-size:2.55rem;margin-bottom:10px;font-weight:900;color:var(--text-dark)}.slogan{font-size:1.08rem;color:var(--text-muted);margin:0 auto 36px;max-width:440px}.features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:42px}.feature-item{min-height:124px;background:#ffffffbd;padding:16px 14px;border-radius:8px;border:1px solid rgba(247,181,0,.32);box-shadow:0 10px 24px #8a4b0014}.feature-item p:first-child{color:var(--accent-color);font-weight:900;font-size:1.16rem;margin-bottom:7px}.feature-item p:last-child{color:#71511a;font-size:.94rem}.download-btn{display:block;width:100%;background:linear-gradient(45deg,#ffbe1a,#ffd957);color:#4a2a00;text-decoration:none;padding:18px 36px;border-radius:50px;font-size:1.24rem;font-weight:900;box-shadow:0 15px 30px #f7b5005c;transition:transform .3s cubic-bezier(.175,.885,.32,1.275);margin-bottom:18px;border:1px solid rgba(151,92,0,.12)}.download-btn:active{transform:scale(.96)}.info-text{font-size:.86rem;color:#8c6b24}.footer{margin-top:56px;font-size:.85rem;color:#9a7a37}.open-browser-mask{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:28px;overflow:hidden;background:radial-gradient(circle at 82% 10%,rgba(255,217,87,.34),transparent 26%),#1a1200f5}.open-browser-arrow{position:fixed;top:18px;right:18px;color:#fff;font-size:28px;line-height:1;letter-spacing:4px;transform:rotate(-35deg)}.open-browser-arrow:after{content:"";display:block;width:74px;height:74px;margin:-14px 0 0 -48px;border-top:3px solid var(--secondary-color);border-right:3px solid var(--secondary-color);transform:rotate(18deg)}.open-browser-panel{width:min(100%,400px);padding:40px 28px;text-align:center;color:#fff}.open-browser-icon{width:92px;height:92px;margin:0 auto 26px;border-radius:50%;border:3px solid var(--secondary-color);display:flex;align-items:center;justify-content:center;color:var(--secondary-color);font-size:52px;font-weight:800}.open-browser-panel h1{font-size:28px;margin-bottom:18px;color:#fff}.open-browser-panel p{color:#fff2c2;font-size:16px;margin-bottom:10px}.open-browser-badge{display:inline-block;margin-top:24px;padding:12px 28px;border-radius:999px;background:linear-gradient(45deg,#ffbe1a,#ffd957);color:#4a2a00;font-size:16px;font-weight:900}@media(max-width:420px){.container{padding:28px 18px 36px}h1{font-size:2.18rem}.slogan{font-size:1rem}.features{gap:12px}.feature-item{min-height:132px;padding:13px}.download-btn{font-size:1.12rem;padding:16px 24px}}