.area-support-fab{position:fixed;right:22px;bottom:22px;z-index:85;min-height:46px;padding:0 17px;border:1px solid rgba(8,105,237,.2);border-radius:24px;background:rgba(255,255,255,.96);box-shadow:0 14px 34px rgba(20,72,145,.2);color:#0869ed;display:flex;align-items:center;gap:8px;font:700 13px/1 system-ui,sans-serif;cursor:pointer}.area-support-fab svg{width:20px;height:20px}.area-support-backdrop{position:fixed;inset:0;z-index:100;padding:24px;display:grid;place-items:center;background:rgba(7,25,54,.45);backdrop-filter:blur(8px)}.area-support-backdrop[hidden]{display:none}.area-support-dialog{position:relative;width:min(430px,100%);max-height:calc(100vh - 48px);overflow:auto;padding:27px;border:1px solid #d8e6f8;border-radius:21px;background:#fff;box-shadow:0 34px 90px rgba(8,37,78,.28);font-family:system-ui,"Microsoft YaHei",sans-serif}.area-support-close{position:absolute;right:18px;top:18px;width:38px;height:38px;border:0;border-radius:10px;background:#edf4fd;color:#526d96;font-size:24px;line-height:1;cursor:pointer}.area-support-heading{padding-right:42px;display:flex;gap:13px}.area-support-icon{width:48px;height:48px;flex:none;border-radius:14px;background:#edf5ff;color:#0869ed;display:grid;place-items:center;font-size:23px}.area-support-heading h2{margin:1px 0 5px;color:#17233c;font-size:21px}.area-support-heading p{margin:0;color:#7486a4;font-size:12px;line-height:1.65}.area-support-qr{margin-top:20px;padding:9px;border:1px solid #e0eaf7;border-radius:15px;background:#f8fbff}.area-support-qr img{display:block;width:100%;max-height:500px;object-fit:contain;border-radius:9px}.area-support-tip{margin:13px 0 0;text-align:center;color:#7d8fa9;font-size:12px}@media(max-width:620px){.area-support-fab{right:14px;bottom:14px;width:46px;padding:0;justify-content:center}.area-support-fab span{display:none}.area-support-dialog{padding:21px}.area-support-backdrop{padding:14px}}