:root{color:#172033;background:#eef2f7;font-family:Inter,Microsoft YaHei,PingFang SC,Noto Sans CJK SC,Arial,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}a{color:inherit;text-decoration:none}.page-shell{min-height:100vh;display:grid;place-items:center;padding:40px 18px;background:linear-gradient(140deg,rgba(37,99,235,.12),transparent 34%),linear-gradient(320deg,rgba(20,184,166,.18),transparent 36%),#eef2f7}.download-panel{width:min(980px,100%)}.heading{margin-bottom:28px;text-align:center}.eyebrow{margin:0 0 10px;color:#2563eb;font-size:13px;font-weight:800;letter-spacing:0;text-transform:uppercase}h1{margin:0;color:#101827;font-size:clamp(32px,6vw,58px);line-height:1.06;letter-spacing:0}.app-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.app-card{min-height:390px;display:grid;grid-template-rows:auto 1fr auto;justify-items:center;padding:34px 28px 28px;border:1px solid rgba(148,163,184,.45);border-radius:8px;background:#ffffffeb;box-shadow:0 22px 60px #0f172a1f}.app-icon{width:136px;height:136px;position:relative;display:grid;place-items:center;border-radius:30px;overflow:hidden}.pc-icon{background:linear-gradient(145deg,#1d4ed8,#0891b2)}.android-icon{background:linear-gradient(145deg,#0f766e,#22c55e)}.icon-screen{width:76px;height:50px;position:relative;display:block;border:5px solid rgba(255,255,255,.92);border-radius:8px}.pc-icon .icon-screen:after{content:"";width:34px;height:5px;position:absolute;left:50%;bottom:-18px;border-radius:999px;background:#ffffffeb;transform:translate(-50%)}.android-icon .icon-screen{width:52px;height:76px;border-radius:13px}.android-icon .icon-screen:after{content:"";width:18px;height:4px;position:absolute;left:50%;bottom:6px;border-radius:999px;background:#ffffffeb;transform:translate(-50%)}.icon-signal{width:44px;height:44px;position:absolute;right:18px;top:20px;border-top:5px solid rgba(255,255,255,.9);border-right:5px solid rgba(255,255,255,.9);border-radius:0 28px 0 0}.app-copy{padding:26px 0 30px;text-align:center}h2{margin:0 0 10px;color:#111827;font-size:25px;line-height:1.2;letter-spacing:0}.app-copy p{margin:0;color:#5b6678;font-size:15px;line-height:1.7}.download-button{width:min(260px,100%);min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:14px 18px;border-radius:8px;background:#111827;color:#fff;font-size:16px;font-weight:800;line-height:1.2;transition:transform .18s ease,background .18s ease,box-shadow .18s ease}.download-button:hover,.download-button:focus-visible{background:#2563eb;box-shadow:0 14px 24px #2563eb47;transform:translateY(-2px)}.button-arrow{font-size:20px;line-height:1}@media(max-width:760px){.page-shell{align-items:start;padding-top:34px}.app-grid{grid-template-columns:1fr}.app-card{min-height:330px;padding:28px 22px 24px}.app-icon{width:118px;height:118px;border-radius:24px}}