/* 悬浮“联系我们”按钮：微信 + WhatsApp 二维码（中英文通用；不依赖页面既有类名） */
.wa-float{position:fixed;right:24px;bottom:88px;z-index:31;width:52px;height:52px}
.wa-float__btn{width:100%;height:100%;display:grid;place-items:center;border:0;padding:0;border-radius:50%;background:#25d366;color:#fff;cursor:pointer;box-shadow:0 6px 16px rgba(37,211,102,.38);transition:transform .2s,box-shadow .2s,background .2s}
.wa-float__btn:hover,.wa-float__btn:focus-visible{background:#1ebe5b;transform:translateY(-3px);box-shadow:0 10px 22px rgba(37,211,102,.45)}
.wa-float__btn>svg{width:28px;height:28px;display:block;fill:currentColor}
.wa-float__card{position:absolute;right:0;bottom:64px;display:none;width:272px;padding:14px 14px 12px;border-radius:14px;background:#241d1b;color:#f2eeec;box-shadow:0 16px 36px rgba(0,0,0,.3);text-align:center;font:500 13px/1.5 "Noto Sans SC",Arial,sans-serif}
.wa-float__card::after{content:"";position:absolute;right:22px;bottom:-6px;width:12px;height:12px;background:#241d1b;transform:rotate(45deg)}
.wa-float__t{display:block;margin-bottom:10px;font-size:13px;color:#eae4e2}
.wa-float__row{display:flex;gap:10px;justify-content:center;align-items:flex-start}
.wa-float__item{flex:0 0 auto;width:112px;margin:0;text-decoration:none;color:inherit}
.wa-float__item img{display:block;width:112px;height:auto;border-radius:8px;background:#fff}
.wa-float__cap{display:block;margin-top:8px;font-size:12px;line-height:1.35;color:#eae4e2}
.wa-float__cap small{display:block;margin-top:3px;font-size:11px;color:#a79e97}
.wa-float.is-open .wa-float__card{display:block}
@media(hover:hover),(pointer:fine){.wa-float:hover .wa-float__card,.wa-float:focus-within .wa-float__card{display:block}}
@media(max-width:760px){.wa-float{right:18px;bottom:76px;width:46px;height:46px}.wa-float__btn>svg{width:24px;height:24px}}
@media(hover:none),(pointer:coarse){.wa-float{right:4.5vw;bottom:88px;width:11vw;height:11vw}.wa-float__btn{box-shadow:0 8px 20px rgba(37,211,102,.45)}.wa-float__btn>svg{width:6.5vw;height:6.5vw}.wa-float__card{width:64vw;padding:3vw 3vw 2.6vw;border-radius:3vw;bottom:14vw;font-size:3.1vw;line-height:1.45}.wa-float__t{font-size:3.1vw;margin-bottom:2.2vw}.wa-float__row{gap:2.6vw}.wa-float__item{width:26vw}.wa-float__item img{width:26vw;border-radius:1.6vw}.wa-float__cap{margin-top:1.8vw;font-size:2.9vw}.wa-float__cap small{font-size:2.5vw}}
@media(prefers-reduced-motion:reduce){.wa-float__btn{transition:none}}