.support-launcher{position:fixed;right:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px));z-index:40;display:inline-flex;align-items:center;gap:9px;padding:13px 18px;border:1px solid #b9cffb55;border-radius:999px;background:#202738;color:#eef3ff;box-shadow:0 8px 28px #0005;font:600 14px/1.4 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;cursor:pointer}
.support-launcher:hover{background:#303c53}.support-launcher svg{width:22px;height:22px}
.support-launcher:focus-visible,.support-dialog :focus-visible{outline:2px solid #99bcff;outline-offset:4px}
dialog.support-dialog{box-sizing:border-box;width:calc(100% - 32px);max-width:380px;max-height:calc(100dvh - 32px);margin:auto;padding:32px 26px 24px;overflow:auto;border:1px solid #3b4559;border-radius:22px;background:#171d29;color:#eef3ff;text-align:center;font:14px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;box-shadow:0 24px 100px #0006}
.support-dialog::backdrop{background:#080c16b8;backdrop-filter:blur(5px)}
.support-dialog .support-close{position:absolute;right:12px;top:10px;display:grid;place-items:center;width:36px;height:36px;padding:0;border:0;border-radius:50%;background:transparent;color:#aebbd0;font:26px/1 sans-serif;cursor:pointer}.support-dialog .support-close:hover{background:#ffffff12;color:white}
.support-eyebrow{display:block;color:#98baf7;font-size:11px;letter-spacing:.12em;margin-bottom:12px}
.support-dialog h2{font-size:24px;line-height:1.4;margin:0 0 8px}.support-dialog p{margin:0;color:#acb8cc}
.support-topics{display:flex;justify-content:center;flex-wrap:wrap;gap:7px;margin:18px 0}.support-topics span{padding:4px 9px;border:1px solid #354055;border-radius:6px;color:#d1dbee;font-size:12px}
.support-qr{display:block;box-sizing:border-box;width:260px;max-width:100%;height:auto;margin:0 auto 16px;border:10px solid white;border-radius:14px;background:white}
.support-dialog .support-hint{font-size:12px;line-height:1.8}.support-dialog .support-save{display:block;margin-top:18px;padding:10px 16px;border-radius:9px;background:#b8ceff;color:#17233e;text-decoration:none;font-weight:650}.support-dialog .support-save:hover{background:#d0dfff}.support-dialog .support-note{margin-top:14px;font-size:11px;color:#8f9bb0}
@media(max-width:600px){.support-launcher{right:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));padding:11px 14px;font-size:13px}dialog.support-dialog{padding:28px 20px 20px}}