:root{--sschat-primary:#ff6a00;}
.sschat-fab{position:fixed;right:16px;bottom:76px;z-index:120;width:52px;height:52px;border-radius:50%;background:var(--sschat-primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);cursor:pointer;}
@media (min-width:769px){.sschat-fab{right:24px;bottom:24px;}}
.sschat-panel[hidden]{display:none;}
.sschat-fab[hidden]{display:none;}
.sschat-panel{position:fixed;right:16px;bottom:76px;z-index:121;width:340px;max-width:calc(100vw - 32px);height:70vh;max-height:560px;background:#fff;border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.28);display:flex;flex-direction:column;overflow:hidden;}
@media (min-width:769px){.sschat-panel{right:24px;bottom:24px;}}
.sschat-head{display:flex;align-items:center;justify-content:space-between;background:var(--sschat-primary);color:#fff;padding:12px 14px;}
.sschat-title{font-weight:700;font-size:15px;}
.sschat-close{background:none;border:0;color:#fff;font-size:22px;line-height:1;cursor:pointer;}
.sschat-body{flex:1;overflow-y:auto;padding:12px;background:#f6f6f7;}
.sschat-msg{margin:0 0 10px;display:flex;}
.sschat-msg .b{max-width:80%;padding:9px 12px;border-radius:12px;font-size:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word;}
.sschat-msg.user{justify-content:flex-end;}
.sschat-msg.user .b{background:var(--sschat-primary);color:#fff;border-bottom-right-radius:4px;}
.sschat-msg.bot .b{background:#fff;color:#222;border:1px solid #ececec;border-bottom-left-radius:4px;}
.sschat-msg.typing .b{color:#999;}
.sschat-input{display:flex;gap:8px;padding:10px;border-top:1px solid #eee;background:#fff;}
.sschat-input textarea{flex:1;resize:none;border:1px solid #e3e3e3;border-radius:18px;padding:9px 12px;font-size:14px;max-height:100px;outline:none;}
.sschat-input button{flex:0 0 auto;background:var(--sschat-primary);color:#fff;border:0;border-radius:18px;padding:0 16px;font-weight:600;cursor:pointer;}
.sschat-input button:disabled{opacity:.5;cursor:default;}

/* 商品推荐卡片 */
.sschat-cards{display:flex;flex-direction:column;gap:8px;margin:0 0 10px;}
.sschat-card{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid #ececec;border-radius:12px;padding:8px;text-decoration:none;color:#222;}
.sschat-card:active{background:#faf7f5;}
.sschat-card__img{flex:0 0 auto;width:52px;height:52px;border-radius:8px;background:#f2f2f2 center/cover no-repeat;}
.sschat-card__info{display:flex;flex-direction:column;min-width:0;gap:3px;}
.sschat-card__name{font-size:13px;line-height:1.35;max-height:2.7em;overflow:hidden;}
.sschat-card__price{font-size:13px;font-weight:700;color:var(--sschat-primary);}

/* 商品页："就问这个商品"胶囊按钮（悬浮球上方） */
.sschat-chip{position:fixed;right:16px;bottom:136px;z-index:120;background:#fff;color:var(--sschat-primary);border:1px solid var(--sschat-primary);border-radius:20px;padding:7px 12px;font-size:13px;font-weight:600;box-shadow:0 4px 14px rgba(0,0,0,.18);cursor:pointer;white-space:nowrap;}
.sschat-chip[hidden]{display:none;}
@media (min-width:769px){.sschat-chip{right:24px;bottom:84px;}}