:root{--primary-color: #ff2f6d;--secondary-color: #ff8fb1;--accent-color: #9b1039;--bg-dark: #2c0b16;--text-light: #ffffff}*{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-dark);color:var(--text-light);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% 24%,rgba(255,143,177,.5) 0%,rgba(255,47,109,.24) 34%,transparent 62%),linear-gradient(180deg,#4b1021,#2c0b16);z-index:-1}nav{padding:20px;text-align:center;font-weight:700;font-size:24px;color:var(--secondary-color);letter-spacing:2px}.container{max-width:500px;margin:0 auto;padding:40px 20px;text-align:center}.logo{width:100px;height:100px;background:linear-gradient(135deg,#ffc2d4,var(--primary-color));border-radius:22px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;color:var(--accent-color);font-size:38px;font-weight:900;box-shadow:0 10px 28px #ff2f6d7a;animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}h1{font-size:2.5rem;margin-bottom:10px;font-weight:700;background:linear-gradient(to right,#fff,#ff8fb1);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.slogan{font-size:1.1rem;color:#ffd5df;margin-bottom:40px}.features{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:50px}.feature-item{min-height:116px;background:#ffffff0f;padding:15px;border-radius:15px;border:1px solid rgba(255,143,177,.3)}.feature-item p:first-child{color:var(--secondary-color);font-weight:700;font-size:1.2rem;margin-bottom:6px}.feature-item p:last-child{color:#ffdde6;font-size:.94rem}.download-btn{display:block;width:100%;background:linear-gradient(45deg,#e60046,#ff8fb1);color:#5b061e;text-decoration:none;padding:18px 40px;border-radius:50px;font-size:1.3rem;font-weight:800;box-shadow:0 15px 34px #e600467a;transition:transform .3s cubic-bezier(.175,.885,.32,1.275);margin-bottom:20px}.download-btn:active{transform:scale(.95)}.info-text{font-size:.8rem;color:#df8da4}.footer{margin-top:60px;font-size:.85rem;color:#bf778b}.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(255,143,177,.34),transparent 26%),#000000f2}.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 #ff8fb1;border-right:3px solid #ff8fb1;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 #ff8fb1;display:flex;align-items:center;justify-content:center;color:#ff8fb1;font-size:52px;font-weight:800}.open-browser-panel h1{font-size:28px;margin-bottom:18px;background:none;-webkit-text-fill-color:#ffffff}.open-browser-panel p{color:#ffdde6;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,#e60046,#ff8fb1);color:#5b061e;font-size:16px;font-weight:800}@media(max-width:420px){.container{padding:28px 18px 36px}h1{font-size:2.1rem}.features{gap:12px}.feature-item{min-height:124px;padding:13px}.download-btn{font-size:1.15rem;padding:16px 28px}}