:root{color-scheme:light;--ink:#1c3a2c;--muted:#5f7568;--green:#2a6b4a;--jade:#e3ede2;--cream:#f3efe2;--gold:#d4a94e;--terra:#b0713a;--paper:#fff}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:radial-gradient(ellipse at 0% 65%,#e5eddd 0,transparent 48%),radial-gradient(ellipse at 100% 0%,#f4e9cf 0,transparent 45%),var(--cream);font-family:"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{-webkit-tap-highlight-color:transparent}
a:focus-visible{outline:3px solid var(--green);outline-offset:6px}
.page{max-width:1120px;margin:auto;padding:30px 46px 24px}
.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800}
.brand img{border-radius:12px}
.brand small{display:block;font-size:11px;font-weight:500;letter-spacing:2px;margin-top:5px;color:var(--muted)}
.platform{margin-left:auto;font-size:12px;font-weight:500;border:1px solid #ccd8c6;border-radius:30px;padding:9px 15px;color:var(--muted)}
main{display:grid;grid-template-columns:1fr 390px;column-gap:65px;padding-top:46px}
.eyebrow{display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:1.2px;font-weight:600}
.eyebrow>span{height:7px;width:7px;border-radius:50%;background:var(--green)}
h1{font-family:"Arial Rounded MT Bold","PingFang SC","Microsoft YaHei",sans-serif;font-size:76px;line-height:1.16;letter-spacing:-3px;margin:20px 0}
h1 em{font-style:normal;color:var(--green);position:relative}
h1 em:after{content:"";position:absolute;height:8px;background:var(--gold);bottom:-4px;left:2px;right:14px;border-radius:50%;transform:rotate(-2deg)}
.description{font-size:16px;line-height:1.9;color:var(--muted);margin:24px 0 0}
.mascot-stage{height:260px;position:relative;margin-top:24px;max-width:440px}
.mascot{position:absolute;left:24px;top:6px;width:200px;height:200px;border-radius:55px;transform:rotate(-7deg);box-shadow:0 14px 0 #d3ddc9,0 25px 40px #1c3a2c20}
.hello,.reply{position:absolute;z-index:1;background:white;border-radius:20px;padding:15px 20px;box-shadow:0 8px 24px #1c3a2c0d;font-family:"Arial Rounded MT Bold","PingFang SC",sans-serif;font-weight:700}
.hello{top:0;left:-9px;transform:rotate(-5deg);font-size:16px}
.hello span{display:block;font-size:11px;color:var(--muted);margin-top:4px}
.reply{right:0;bottom:8px;transform:rotate(4deg);font-size:22px;color:var(--green)}
.sound{position:absolute;left:2px;bottom:0;display:flex;align-items:flex-end;gap:6px;height:54px}
.sound i{width:7px;background:var(--green);border-radius:4px;opacity:.85}
.sound i:nth-child(1){height:12px;background:#9dbb9d}
.sound i:nth-child(2){height:22px;background:#8fb291}
.sound i:nth-child(3){height:34px;background:#7fa885}
.sound i:nth-child(4){height:54px;background:var(--green)}
.sound i:nth-child(5){height:36px;background:#7fa885}
.sound i:nth-child(6){height:24px;background:#8fb291}
.sound i:nth-child(7){height:14px;background:#9dbb9d}
.download{background:linear-gradient(160deg,#173d2b 0,#2a6b4a 100%);color:#eef2dc;border-radius:32px;padding:30px 34px 34px;box-shadow:0 24px 48px #1c3a2c33}
.card-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:2px;font-weight:700;color:#b9cfb4}
.tiny-wave{letter-spacing:3px;color:var(--gold)}
h2{font-family:"Arial Rounded MT Bold","PingFang SC","Microsoft YaHei",sans-serif;font-size:30px;line-height:1.3;margin:18px 0 8px}
.scan-label{font-size:13px;color:#cfe0c6;margin-bottom:20px}
.qr-link{display:block;width:208px;margin:0 auto;background:white;border-radius:18px;padding:12px;box-shadow:0 10px 24px #0d241840;transition:transform .25s cubic-bezier(0.16,1,0.3,1)}
.qr-link:hover{transform:translateY(-4px)}
.qr-link img{display:block;width:184px;height:184px}
.scan-caption{display:flex;align-items:center;justify-content:center;gap:6px;font-size:12px;color:#cfe0c6;margin:16px 0 22px}
.scan-caption span{color:var(--gold);font-weight:700}
.download-button{display:flex;align-items:center;justify-content:center;gap:9px;background:var(--gold);color:#3a2f10;font-weight:800;font-size:16px;text-decoration:none;border-radius:999px;padding:16px 22px;transition:transform .2s cubic-bezier(0.16,1,0.3,1),box-shadow .2s;box-shadow:0 10px 22px #0d241840}
.download-button:hover{transform:translateY(-2px);box-shadow:0 14px 28px #0d241855}
.download-button:active{transform:scale(.98)}
.download-hint{font-size:11px;line-height:1.8;color:#a9c4a4;text-align:center;margin:16px 0 0}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:44px;padding:6px 4px 0}
.features article{display:flex;gap:14px;align-items:center}
.feature-icon{flex:none;display:grid;place-items:center;width:48px;height:48px;border-radius:16px;font-weight:800;font-size:19px;color:white}
.feature-icon.green{background:var(--green)}
.feature-icon.gold{background:var(--gold);color:#3a2f10}
.feature-icon.terra{background:var(--terra)}
.features h3{margin:0 0 5px;font-size:15px}
.features p{margin:0;font-size:12.5px;line-height:1.7;color:var(--muted);max-width:190px}
footer{display:flex;justify-content:space-between;align-items:center;margin-top:48px;padding-top:20px;border-top:1px solid #dde3cc;font-size:12px;color:var(--muted)}
footer b{color:#b9c4a8;font-weight:400}
@media(min-width:1400px){.page{padding-top:45px}main{padding-top:65px}}
@media(max-width:900px){.page{padding:24px}main{column-gap:25px;grid-template-columns:1fr 350px}h1{font-size:64px}.mascot{left:16px;width:190px;height:190px}.hello{left:0}.reply{right:0}.download{padding:24px}.features{gap:15px}.features article{align-items:flex-start}.features p{max-width:170px}}
@media(max-width:680px){.page{max-width:460px;padding:22px 22px 26px}.brand{font-size:16px}.brand small{font-size:9px;letter-spacing:1px}.brand img{width:37px;height:37px}.platform{font-size:10px;padding:7px 9px}main{display:flex;flex-direction:column;padding-top:36px;gap:0}.intro{text-align:center}.eyebrow{justify-content:center;font-size:11px}h1{font-size:58px;line-height:1.17;margin:18px 0;letter-spacing:-2px}h1 br{display:none}h1 em{display:block}.description{font-size:13px;line-height:1.9;margin-top:22px}.mascot-stage{height:208px;max-width:320px;margin:24px auto 22px}.mascot{width:155px;height:155px;left:8px;top:2px;border-radius:44px;box-shadow:0 9px 0 #d3ddc9,0 20px 25px #1c3a2c14}.hello{font-size:12px;padding:11px 14px;left:0;top:0;border-radius:16px}.hello span{font-size:9px}.reply{right:0;bottom:2px;font-size:18px;padding:10px 14px}.sound{right:5px;left:auto;top:58px;bottom:auto;gap:4px;height:44px}.sound i{width:4px}.sound i:nth-child(4){height:44px}.sound i:nth-child(3),.sound i:nth-child(5){height:28px}.sound i:nth-child(2),.sound i:nth-child(6){height:18px}.sound i:nth-child(1),.sound i:nth-child(7){height:10px}.download{width:100%;border-radius:26px;padding:24px}.card-top{font-size:9px}h2{font-size:25px;margin:18px 0 8px}h2 br{display:none}.scan-label{font-size:12px;margin-bottom:18px}.features{display:flex;flex-direction:column;gap:21px;margin-top:29px;padding:25px 8px 0}.features article{align-items:center}.features p{max-width:none;font-size:12px}h3{font-size:14px}.feature-icon{width:42px;height:42px}footer{margin-top:30px;text-align:center;flex-direction:column;gap:8px;font-size:10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}