@charset "utf-8";
:root{--blue:#1268f3;--ink:#11213d;--muted:#72809a;--line:#e7edf7;--surface:#f5f8fe}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#eef3fb}
body{font-size:14px;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{font:inherit}
.page-shell{width:100%;max-width:520px;min-height:100vh;margin:0 auto;background:#fff;overflow:hidden;box-shadow:0 0 50px rgba(27,61,120,.08)}
.hero{height:500px;position:relative;overflow:hidden;padding:24px 24px 0;color:#fff;background:linear-gradient(145deg,#0c52da 0%,#1678f8 54%,#51b7ff 100%)}
.hero:after{content:"";position:absolute;left:-10%;right:-10%;bottom:-88px;height:170px;border-radius:50% 50% 0 0/100% 100% 0 0;background:#fff;opacity:.96}.hero-glow{position:absolute;border-radius:50%;filter:blur(1px);opacity:.18;background:#a7e7ff}.hero-glow-one{width:240px;height:240px;right:-94px;top:-76px}.hero-glow-two{width:170px;height:170px;left:-98px;bottom:118px}
.topbar{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center}.brand-mini{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;letter-spacing:.02em}.brand-mini img{width:30px;height:30px;border-radius:9px;object-fit:cover;background:#fff}.version-pill{padding:6px 11px;border:1px solid rgba(255,255,255,.32);border-radius:20px;background:rgba(255,255,255,.12);font-size:11px;color:rgba(255,255,255,.9)}
.hero-copy{position:relative;z-index:2;margin-top:38px}.app-icon{display:none}.eyebrow{margin:0 0 12px;font-size:10px;line-height:1;letter-spacing:.2em;color:rgba(255,255,255,.7)}h1{margin:0;font-size:35px;line-height:1.22;letter-spacing:-.04em;font-weight:400}h1 strong{font-weight:750}.hero-desc{margin:16px 0 0;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.device-showcase{position:absolute;z-index:1;right:25px;bottom:38px;width:210px;height:210px}.device-card{position:absolute;border:7px solid #0d3da5;border-radius:27px;background:#fff;box-shadow:0 20px 35px rgba(4,37,111,.28)}.device-back{width:128px;height:196px;right:9px;top:1px;transform:rotate(13deg);opacity:.6}.device-front{width:136px;height:210px;right:58px;top:0;transform:rotate(-9deg);overflow:hidden}.device-notch{width:49px;height:12px;position:absolute;z-index:2;top:0;left:37px;border-radius:0 0 10px 10px;background:#0c3d9d}.screen-art{height:100%;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;background:linear-gradient(155deg,#f04e75,#803cff 75%);font-size:19px;line-height:1.05;letter-spacing:.12em}.screen-art b{font-size:38px;letter-spacing:-.08em}.screen-art i{width:120px;height:120px;position:absolute;right:-48px;top:83px;border:18px solid rgba(255,255,255,.22);border-radius:50%}.device-line{display:block;width:62px;height:6px;margin:39px auto 0;border-radius:6px;background:#9bb8ec}.device-line.short{width:40px;margin-top:10px}
.download-panel{position:relative;z-index:3;margin:-2px 18px 0;padding:22px 16px 18px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 12px 35px rgba(18,69,145,.11)}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;font-size:16px;font-weight:700}.panel-heading small{font-size:11px;font-weight:400;color:var(--muted)}.download-grid{display:grid;gap:10px}.download-card{display:flex;align-items:center;min-height:67px;padding:11px 13px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(100deg,#fff,#f8fbff);transition:.2s}.download-card:active{transform:scale(.98);background:#f2f7ff}.download-card.muted{opacity:.58}.platform-icon{display:flex;align-items:center;justify-content:center;width:39px;height:39px;margin-right:12px;border-radius:12px;font-size:27px;font-weight:600;color:#fff}.apple-icon{background:#161d2c;font-family:Arial}.android-icon{background:#22b476;font-size:28px;transform:none}.platform-copy{display:flex;flex:1;flex-direction:column;gap:4px}.platform-copy b{font-size:14px}.platform-copy small{font-size:11px;color:var(--muted)}.arrow{font-size:27px;font-weight:300;color:#b4bfd0}.safe-note{margin:14px 0 0;text-align:center;color:#8995a9;font-size:11px}.check{display:inline-flex;width:15px;height:15px;align-items:center;justify-content:center;margin-right:3px;border-radius:50%;background:#dff7ec;color:#18a66d;font-size:10px;font-weight:700}
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:26px 24px 23px}.feature-row>div{text-align:center}.feature-dot{display:flex;width:32px;height:32px;align-items:center;justify-content:center;margin:0 auto 8px;border-radius:11px;color:#fff;font-size:14px;font-weight:700}.feature-dot.blue{background:#458cf6}.feature-dot.purple{background:#8d72f5}.feature-dot.orange{background:#ff9a56}.feature-row b,.feature-row small{display:block}.feature-row b{font-size:12px}.feature-row small{margin-top:4px;color:#98a2b4;font-size:10px}footer{padding:0 0 25px;text-align:center;color:#b4bdca;font-size:10px}
.modal,.wechat-tip{position:fixed;z-index:20;inset:0;display:none;align-items:flex-end;justify-content:center}.modal.show,.wechat-tip.show{display:flex}.modal-mask{position:absolute;inset:0;background:rgba(4,20,47,.58)}.modal-card{position:relative;width:min(100%,520px);padding:28px 24px 26px;border-radius:24px 24px 0 0;background:#fff;text-align:center;animation:sheet .25s ease}.modal-close,.wechat-card button{position:absolute;right:18px;top:14px;border:0;background:none;color:#9aa6b7;font-size:25px}.modal-icon{width:49px;height:49px;margin:0 auto 12px;border-radius:16px;background:#e3f8ef;color:#1eb57a;font-size:30px;line-height:49px}.modal-card h2{margin:0;font-size:18px}.modal-card p{margin:8px 0 21px;color:var(--muted);font-size:12px}.modal-primary,.modal-secondary{display:block;border-radius:12px;padding:13px}.modal-primary{background:var(--blue);color:#fff}.modal-secondary{margin-top:9px;background:#f2f6fc;color:#4f607a;font-size:13px}.wechat-tip{align-items:flex-start;padding:48px 16px 0;background:rgba(4,20,47,.65)}.wechat-card{position:relative;width:100%;max-width:400px;padding:27px 23px 24px;border-radius:20px;background:#fff;box-shadow:0 14px 40px rgba(0,0,0,.2)}.wechat-card h2{margin:0 0 10px;font-size:18px}.wechat-card p{margin:0;color:#6d7b90;font-size:13px;line-height:1.7}.wechat-arrow{position:absolute;right:43px;top:-31px;color:#fff;font-size:34px;transform:rotate(-24deg)}
@keyframes sheet{from{transform:translateY(100%)}to{transform:translateY(0)}}@media (min-width:520px){.modal,.wechat-tip{align-items:center}.modal-card{border-radius:24px;max-width:380px}.wechat-tip{padding:0}.wechat-card{max-width:380px}}
.platform-icon img{width:25px;height:25px;object-fit:contain}.download-card.recommended{border-color:#1268f3;background:#f2f7ff}.store-picker{margin-top:18px;font-size:12px;color:#52627a}.store-picker summary{cursor:pointer;padding:8px 0}.store-picker a{display:block;padding:12px 0;color:#1268f3}#storeOptions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}#storeOptions button{border:1px solid #e7edf7;border-radius:8px;padding:12px 5px;background:#f5f8fe;color:#33435b;cursor:pointer}#downloadStatus{line-height:1.6;font-size:11px;color:#72809a}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #f49d35;outline-offset:3px}.modal-card{padding-bottom:max(26px,env(safe-area-inset-bottom))}.hero-copy{max-width:100%}.hero-desc{max-width:310px}@media(max-width:360px){.hero{padding-left:20px;padding-right:20px}h1{font-size:30px}.panel-heading{flex-wrap:wrap;gap:6px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}