body{display:flex;flex-direction:column;height:100dvh;overflow:hidden;background:radial-gradient(ellipse 70% 70% at -10% -20%, rgba(165,180,252,0.75), transparent 70%),radial-gradient(ellipse 70% 70% at 110% 115%, rgba(249,168,212,0.90), transparent 70%),linear-gradient(180deg, #e8eef8 0%, #f3f6fb 50%, #ffffff 100%);}
body.darkmode{background:#0f1319;}
#page{display:flex;flex-direction:column;height:100%;overflow:hidden;}
.supportLogoLink{display:flex;align-items:center;justify-content:space-between;padding:0 16px;height:50px;background:rgba(255,255,255,0.7);backdrop-filter:blur(8px);flex-shrink:0;border-bottom:1px solid rgba(0,0,0,0.07);}
.supportLogoAnchor{text-decoration:none;}
.supportOpenApp{font-size:13px;font-weight:700;color:#6366f1;text-decoration:none;padding:6px 12px;border-radius:8px;border:1px solid rgba(99,102,241,0.25);background:rgba(99,102,241,0.07);transition:background 150ms ease;}
.supportOpenApp:hover{background:rgba(99,102,241,0.14);}
body.darkmode .supportLogoLink{background:#0f1319;border-bottom-color:#333;}
.supportLogoLink h2{margin:0;font-size:24px;color:transparent;background-clip:text;-webkit-background-clip:text;background-image:linear-gradient(90deg,#ff7a18,#ff3d7f,#8a2cff);display:inline-block;cursor:pointer;}
.supportLogoText{margin:0;font-size:28px;font-weight:900;color:transparent;background-clip:text;-webkit-background-clip:text;background-image:linear-gradient(90deg,#ff7a18,#ff3d7f,#8a2cff);display:inline-block;cursor:pointer;}
.supportLayout h1{margin:0;}
.supportLayout{max-width:520px;margin:0 auto;padding:32px 16px;overflow-y:auto;flex:1;}
.supportSubtitle{color:#666;margin-bottom:24px;font-size:14px;}
.supportForm{display:flex;flex-direction:column;gap:12px;}
.supportForm label{font-weight:bold;font-size:13px;color:#444;}
.supportInput{width:100%;box-sizing:border-box;}
.supportTextarea{min-height:120px;resize:vertical;}
.supportSubmitBtn{width:100%;margin-top:8px;box-sizing:border-box;}
.supportSuccess{background:#e8f5e9;border:2px solid #a5d6a7;border-radius:8px;padding:24px;text-align:center;font-size:15px;color:#2e7d32;}
.supportReturnLink{display:block;margin-top:16px;text-align:center;color:#007AFF;text-decoration:none;}
.supFnField{display:none !important;position:absolute;left:-9999px;}