.wechat-trigger,.wechat-copy,.wechat-save{font:inherit;font-size:14px;border:1px solid #205c86;border-radius:4px;background:#fff;color:#205c86;padding:9px 15px;cursor:pointer;text-decoration:none;display:inline-block}.footer .wechat-trigger{background:transparent;color:#fff;border-color:#9eb0bc}.wechat-dialog{width:min(92vw,510px);max-height:92vh;overflow:auto;border:1px solid #d6dde2;border-radius:8px;padding:24px;background:#fff;color:#343b40;box-shadow:0 15px 65px #0004}.wechat-dialog::backdrop{background:#182b3c99}.wechat-panel{font-family:inherit;line-height:1.6;text-align:center}.wechat-panel h2{font-size:26px;margin:8px 0;color:#242729}.wechat-panel p{font-size:14px;margin:10px 0}.wechat-qr{display:block;width:min(100%,320px);height:auto;margin:12px auto}.wechat-id{display:block;margin:12px auto;padding:8px;width:min(100%,290px);font:14px/1.5 monospace;text-align:center;border:1px solid #cbd3d9;background:#f6f8fa;color:#242729}.wechat-close{float:right;font:inherit;background:none;border:0;color:#205c86;cursor:pointer;padding:6px}.wechat-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.wechat-status{min-height:1.5em}.wechat-contact{max-width:700px;margin:35px auto;padding:25px;background:#fffffff0;border:1px solid #d6dde2;border-radius:5px}.wechat-contact .wechat-qr{width:min(100%,340px)}.wechat-trigger:focus-visible,.wechat-copy:focus-visible,.wechat-close:focus-visible{outline:3px solid #548caf;outline-offset:3px}@media(max-width:600px){.wechat-contact{margin:25px 6%}.wechat-dialog{padding:16px}}
/* Persistent contact access; reserve space so the button does not obscure the final content. */
body{padding-bottom:96px}
.wechat-float{position:fixed;right:max(24px,env(safe-area-inset-right));bottom:max(22px,env(safe-area-inset-bottom));z-index:1000;display:flex;align-items:center;gap:10px;border:1px solid #087347;border-radius:30px;padding:12px 19px 12px 13px;background:#087f49;color:#fff;box-shadow:0 5px 20px #173a3433;font:600 14px/1.2 Arial,sans-serif;cursor:pointer;min-height:54px;transition:background .15s,box-shadow .15s}
.wechat-float svg{display:block;width:30px;height:30px;flex:none}
.wechat-float:hover{background:#076d3f;box-shadow:0 7px 24px #173a3444}
.wechat-float:focus-visible{outline:3px solid #205c86;outline-offset:4px}
body:has(.wechat-dialog[open]) .wechat-float{visibility:hidden}
@media(max-width:600px){body{padding-bottom:85px}.wechat-float{right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));padding:11px 13px;min-height:48px;gap:7px;font-size:12px}.wechat-float svg{width:26px;height:26px}}
@media(prefers-reduced-motion:reduce){.wechat-float{transition:none}}
@media print{.wechat-float,.wechat-dialog{display:none}body{padding-bottom:0}}

/* Compact WeChat contact card. Original QR remains intact. */
.wechat-contact{max-width:320px;margin:22px auto;padding:14px 16px;border-radius:5px}
.wechat-contact .wechat-panel h2{font-size:18px;margin:2px 0 6px}
.wechat-contact .wechat-panel p{font-size:12px;line-height:1.45;margin:7px 0}
.wechat-contact .wechat-panel h2+p{font-size:17px;font-weight:700}
.wechat-contact .wechat-qr{width:180px;max-width:100%;margin:7px auto}
.wechat-contact .wechat-id{font-size:12px;padding:5px;margin:8px auto}
.wechat-contact .wechat-copy,.wechat-contact .wechat-save{font-size:12px;padding:6px 10px}
.wechat-contact .wechat-status:empty{display:none}
@media(max-width:600px){.wechat-contact{max-width:300px;margin:20px auto}}

/* Display only the QR area, including its white quiet zone; preserve original pixels. */
.wechat-qr-window{position:relative;width:min(100%,290px);aspect-ratio:1;overflow:hidden;margin:12px auto;background:white}
.wechat-qr-window .wechat-qr{position:absolute;max-width:none!important;width:132.537313%!important;height:auto!important;left:-16.41791%;top:-41.492537%;margin:0!important}
.wechat-contact .wechat-qr-window{width:180px;max-width:100%;margin:7px auto}