/* 北海明珠官网：小和 AI 智能顾问（V4.2.2） */
.ai-float{position:fixed;right:22px;bottom:22px;z-index:66;min-width:276px;display:flex;align-items:center;gap:13px;padding:11px 17px 11px 11px;overflow:hidden;border:1px solid rgba(255,255,255,.38);border-radius:22px;background:linear-gradient(135deg,#0d2556 0%,#1756bd 52%,#347fec 100%);color:#fff;box-shadow:0 22px 55px rgba(13,43,99,.4),0 0 0 1px rgba(28,99,219,.08);transition:transform .24s ease,box-shadow .24s ease,filter .24s ease}.ai-float:before{content:"";position:absolute;inset:-70% auto -70% -45%;width:42%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);transform:rotate(17deg);animation:aiFloatShine 5.5s ease-in-out infinite;pointer-events:none}.ai-float:hover{transform:translateY(-4px);box-shadow:0 28px 65px rgba(13,43,99,.48),0 0 0 6px rgba(52,127,236,.08);filter:brightness(1.04)}.ai-float-badge{position:relative;width:58px;height:58px;flex:0 0 58px;display:grid;place-items:center;border-radius:18px;background:linear-gradient(145deg,rgba(255,255,255,.25),rgba(255,255,255,.11));box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 10px 22px rgba(4,23,61,.2);font-size:22px;font-weight:900}.ai-float-badge b{font-size:20px;line-height:1}.ai-float-status{position:absolute;right:-1px;top:-1px;width:13px;height:13px;border:2px solid #1e61cc;border-radius:50%;background:#48e391;box-shadow:0 0 0 4px rgba(72,227,145,.16),0 0 16px rgba(72,227,145,.75);animation:aiStatusPulse 2.1s ease-in-out infinite}.ai-float-copy{position:relative;z-index:1;display:grid;min-width:0;flex:1;text-align:left}.ai-float-copy strong{font-size:16px;line-height:1.35;font-weight:800;letter-spacing:.02em}.ai-float-copy small{margin-top:2px;color:rgba(255,255,255,.87);font-size:11px;line-height:1.45}.ai-float-copy em{margin-top:3px;color:rgba(255,255,255,.66);font-size:9px;line-height:1.35;font-style:normal;white-space:nowrap}.ai-float-arrow{position:relative;z-index:1;margin-left:2px;color:rgba(255,255,255,.75);font-size:25px;transition:transform .2s ease}.ai-float:hover .ai-float-arrow{transform:translateX(3px)}
.ai-panel{position:fixed;right:22px;bottom:112px;z-index:90;width:min(448px,calc(100vw - 44px));height:min(650px,calc(100vh - 145px));display:grid;grid-template-rows:auto minmax(0,1fr) auto auto auto;overflow:hidden;border:1px solid rgba(210,220,237,.96);border-radius:24px;background:#fff;box-shadow:0 34px 100px rgba(8,28,66,.35);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(18px) scale(.975);transform-origin:bottom right;transition:opacity .23s ease,visibility .23s ease,transform .23s ease}.ai-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.ai-head{position:relative;min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:13px;padding:17px 18px;color:#fff;background:radial-gradient(circle at 80% 0,rgba(120,175,255,.35),transparent 38%),linear-gradient(135deg,#0d2554,#246bdc)}.ai-head:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.18)}.ai-head-main{display:flex;align-items:center;gap:12px;min-width:0}.ai-head-avatar{position:relative;width:48px;height:48px;flex:0 0 48px;display:grid;place-items:center;border-radius:15px;background:rgba(255,255,255,.17);box-shadow:inset 0 1px 0 rgba(255,255,255,.22);font-size:21px;font-weight:900}.ai-head-avatar:after{content:"";position:absolute;right:-1px;top:-1px;width:10px;height:10px;border:2px solid #246bdc;border-radius:50%;background:#48e391}.ai-head-copy{min-width:0}.ai-head-copy strong,.ai-head-copy small{display:block}.ai-head-copy strong{font-size:16px;line-height:1.35}.ai-head-copy small{margin-top:3px;color:rgba(255,255,255,.76);font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ai-head-actions{display:flex;align-items:center;gap:7px}.ai-head-actions button{height:34px;border:0;border-radius:10px;background:rgba(255,255,255,.13);color:#fff}.ai-clear{padding:0 10px;font-size:10px;font-weight:700}.ai-close{width:34px;font-size:22px;line-height:1}.ai-capabilities{position:absolute;left:78px;bottom:11px;display:flex;gap:5px}.ai-capabilities span{padding:3px 7px;border-radius:999px;background:rgba(255,255,255,.12);color:rgba(255,255,255,.8);font-size:8px;font-weight:700}
.ai-body{min-height:0;overflow:auto;padding:18px;background:radial-gradient(circle at 95% 5%,rgba(68,129,230,.08),transparent 29%),linear-gradient(180deg,#f4f7fc 0%,#fbfcfe 55%,#fff 100%);scroll-behavior:smooth}.ai-message-wrap{display:flex;align-items:flex-end;gap:7px;margin:0 0 13px}.ai-message-wrap.user{justify-content:flex-end}.ai-mini-avatar{width:25px;height:25px;flex:0 0 25px;display:grid;place-items:center;border-radius:9px;background:#eaf1ff;color:#2863df;font-size:10px;font-weight:900}.ai-message{width:fit-content;max-width:88%;padding:11px 13px;border-radius:16px;font-size:13px;line-height:1.78;word-break:break-word}.ai-message p{margin:0 0 8px}.ai-message p:last-child{margin-bottom:0}.ai-message ul{margin:6px 0 0;padding-left:18px}.ai-message--bot{border:1px solid #dfe7f3;border-bottom-left-radius:5px;background:#fff;color:#30425e;box-shadow:0 7px 20px rgba(30,58,104,.055)}.ai-message--user{border-bottom-right-radius:5px;background:linear-gradient(135deg,#2863df,#377ced);color:#fff;box-shadow:0 8px 18px rgba(40,99,223,.18)}.ai-message--typing{min-width:150px;color:#65748a}.ai-typing-line{display:flex;align-items:center;gap:7px}.ai-typing-dots{display:flex;gap:4px}.ai-typing-dots i{width:6px;height:6px;border-radius:50%;background:#7d90ad;animation:aiTyping 1.15s infinite ease-in-out}.ai-typing-dots i:nth-child(2){animation-delay:.14s}.ai-typing-dots i:nth-child(3){animation-delay:.28s}.ai-typing-text{font-size:11px}.ai-mode-tag{display:inline-flex;align-items:center;gap:5px;margin:0 0 7px;padding:4px 8px;border-radius:999px;background:#edf4ff;color:#3163b4;font-size:9px;font-weight:800}.ai-mode-tag.web{background:#eef9f5;color:#147b62}.ai-mode-tag.hybrid{background:#f2efff;color:#654bb7}.ai-mode-tag:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}.ai-source-list{display:grid;gap:7px;margin:2px 0 15px;padding-left:32px}.ai-source-list>a,.ai-source-list>div{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;border:1px solid #dfe7f2;border-radius:12px;background:rgba(255,255,255,.92);color:#38506f;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease,background .2s ease}.ai-source-list>a:hover{border-color:#9fbaea;background:#f8fbff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(40,99,223,.08)}.ai-source-list span{min-width:0;display:grid}.ai-source-list strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px;line-height:1.45}.ai-source-list small{margin-top:2px;color:#8794a7;font-size:8px}.ai-source-list b{flex:0 0 auto;color:#3970c9;font-size:9px;font-weight:800;white-space:nowrap}.ai-booking-action{display:flex;align-items:center;justify-content:space-between;gap:12px;width:calc(100% - 32px);margin:0 0 14px 32px;padding:12px 13px;border:0;border-radius:13px;background:linear-gradient(135deg,#173d83,#2863df);color:#fff;text-align:left;box-shadow:0 10px 24px rgba(40,99,223,.18)}.ai-booking-action>span{display:grid;min-width:0}.ai-booking-action strong{font-size:11px;line-height:1.35}.ai-booking-action small{margin-top:2px;color:rgba(255,255,255,.72);font-size:8px;line-height:1.4}.ai-booking-action>b{flex:0 0 auto;font-size:10px;white-space:nowrap}.quick-questions{display:flex;flex-wrap:wrap;gap:7px;margin:3px 0 13px 32px}.quick-questions button{padding:8px 10px;border:1px solid #d7e2f1;border-radius:999px;background:rgba(255,255,255,.9);color:#46607f;font-size:10px;line-height:1.2;transition:.2s}.quick-questions button:hover{border-color:#9db9e7;background:#eef4ff;color:#2863df}.ai-welcome-note{margin:2px 0 10px 32px;color:#8b97a8;font-size:9px}
.ai-service-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-top:1px solid #e4eaf3;background:linear-gradient(90deg,#f5f8fe,#fff)}.ai-service-bar>div{display:grid;min-width:0}.ai-service-bar strong{color:#294466;font-size:10px;line-height:1.35}.ai-service-bar span{margin-top:2px;color:#8996a9;font-size:8px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ai-service-bar button{height:36px;flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;padding:0 13px;border:0;border-radius:11px;background:linear-gradient(135deg,#173d83,#2863df);color:#fff;font-size:10px;font-weight:800;box-shadow:0 8px 18px rgba(40,99,223,.16)}.ai-service-bar button:hover{filter:brightness(1.05);transform:translateY(-1px)}.ai-service-bar button span{margin:0;color:#fff;font-size:10px}.ai-service-bar button b{font-size:14px}
.ai-input{display:flex;align-items:flex-end;gap:9px;padding:12px 14px;border-top:1px solid #e4eaf3;background:#fff}.ai-input textarea{min-height:44px;max-height:112px;flex:1;resize:none;padding:11px 12px;border:1px solid #d8e1ee;border-radius:13px;background:#f9fbfd;color:#263850;font-size:12px;line-height:1.55;outline:none}.ai-input textarea:focus{border-color:#7fa6e8;background:#fff;box-shadow:0 0 0 3px rgba(40,99,223,.09)}.ai-input button{width:48px;height:44px;flex:0 0 48px;border:0;border-radius:13px;background:linear-gradient(135deg,#2863df,#377ced);color:#fff;font-size:18px;box-shadow:0 8px 18px rgba(40,99,223,.22)}.ai-input button:disabled{opacity:.55;cursor:not-allowed}.ai-footnote{display:flex;align-items:center;justify-content:center;gap:6px;min-height:25px;padding:0 12px 8px;background:#fff;color:#96a1b1;font-size:8px}.ai-footnote i{width:5px;height:5px;border-radius:50%;background:#47d98c}
body.ai-panel-open .ai-float{opacity:0;pointer-events:none;transform:translateY(10px)}@keyframes aiFloatShine{0%,58%{transform:translateX(-35%) rotate(17deg);opacity:0}72%{opacity:1}100%{transform:translateX(420%) rotate(17deg);opacity:0}}@keyframes aiStatusPulse{0%,100%{transform:scale(1)}50%{transform:scale(.78)}}@keyframes aiTyping{0%,70%,100%{transform:translateY(0);opacity:.45}35%{transform:translateY(-3px);opacity:1}}
@media(max-width:620px){.ai-float{right:10px;bottom:76px;min-width:0;width:58px;height:58px;padding:0;border-radius:19px}.ai-float-badge{width:58px;height:58px;flex-basis:58px}.ai-float-copy,.ai-float-arrow{display:none}.ai-panel{inset:10px 8px 72px;width:auto;height:auto;max-height:none;border-radius:20px;transform-origin:bottom center}.ai-head{min-height:91px;padding:14px}.ai-capabilities{left:73px;bottom:9px}.ai-head-copy strong{font-size:14px}.ai-head-copy small{max-width:190px}.ai-body{padding:14px 12px}.ai-message{max-width:91%;font-size:12px}.quick-questions,.ai-welcome-note,.ai-source-list,.ai-booking-action{margin-left:0;padding-left:0}.ai-booking-action{width:100%}.ai-service-bar{padding:9px 10px}.ai-service-bar>div span{max-width:190px}.ai-service-bar button{height:34px;padding:0 11px}.ai-input{padding:10px}.ai-footnote{padding-bottom:6px}}
@media(prefers-reduced-motion:reduce){.ai-float:before,.ai-float-status,.ai-typing-dots i{animation:none}.ai-float,.ai-panel,.ai-source-list>a{transition:none}}

/* V4.2.1：对话窗口一次点击直接打开，保持稳定尺寸，不再点外部自动缩小 */
@media(min-width:621px){
.ai-panel{right:22px;bottom:104px;width:min(500px,calc(100vw - 44px));height:min(700px,calc(100vh - 126px));min-height:520px;transform:translateY(14px);transform-origin:bottom right;transition:opacity .2s ease,visibility .2s ease,transform .2s ease}
.ai-panel.open{transform:translateY(0)}
.ai-body{padding:20px}
.ai-message{max-width:86%;font-size:13px}
}
body.ai-panel-open .ai-float{opacity:0;visibility:hidden;pointer-events:none;transform:translateY(8px);transition:opacity .16s ease,visibility .16s ease,transform .16s ease}
@media(max-width:620px){
.ai-panel{inset:8px 8px 70px;width:auto;height:auto;min-height:0;max-height:none;transform:translateY(12px);transition:opacity .2s ease,visibility .2s ease,transform .2s ease}
.ai-panel.open{transform:translateY(0)}
}

/* V4.7.9：官网固定使用紧凑版入口，删除不再使用的横版/竖版覆盖。 */
.bhm-ai-widget{
    --bhm-ai-right:22px;
    --bhm-ai-bottom:24px;
    position:fixed;
    right:var(--bhm-ai-right);
    bottom:var(--bhm-ai-bottom);
    z-index:66;
    display:block;
}
.bhm-ai-widget .ai-float{
    position:relative !important;
    right:auto !important;
    bottom:auto !important;
    z-index:1;
    min-width:0;
    margin:0;
    cursor:pointer;
}
.bhm-ai-widget.bhm-ai-widget--compact{
    right:var(--bhm-ai-right) !important;
    bottom:var(--bhm-ai-bottom) !important;
}
.bhm-ai-widget .ai-float-badge b,.ai-head-avatar,.ai-mini-avatar{
    font-family:Arial,"Microsoft YaHei",sans-serif;
    letter-spacing:.02em;
}
.ai-head-avatar{font-size:14px !important}
.ai-mini-avatar{font-size:8px !important}
.bhm-ai-layout-toggle,.ai-panel .ai-layout-switch{display:none !important}
body.ai-panel-open .bhm-ai-widget{
    opacity:0;
    visibility:hidden;
    pointer-events:none;
}

/* =========================================================
 * 手机底部栏更新：AI 入口强制使用紧凑模式。
 * 覆盖旧横版/竖版规则及浏览器本地保存的旧布局。
 * ========================================================= */
.bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float{
    width:168px !important;
    min-width:168px !important;
    height:50px !important;
    min-height:50px !important;
    display:flex !important;
    flex-direction:row !important;
    align-items:center !important;
    justify-content:flex-start !important;
    gap:8px !important;
    padding:5px 8px 5px 5px !important;
    border:1px solid rgba(39,98,211,.20) !important;
    border-radius:16px !important;
    background:rgba(255,255,255,.97) !important;
    color:#153565 !important;
    box-shadow:0 12px 30px rgba(11,47,105,.18) !important;
    text-align:left !important;
    overflow:visible !important;
}
.bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-badge{
    width:40px !important;
    height:40px !important;
    min-width:40px !important;
    min-height:40px !important;
    flex:0 0 40px !important;
    border-radius:12px !important;
    background:linear-gradient(145deg,#286de5,#1649a8) !important;
    box-shadow:0 7px 15px rgba(30,90,195,.24) !important;
}
.bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-badge b{
    font-size:14px !important;
}
.bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-copy{
    display:flex !important;
    flex:1 !important;
    flex-direction:column !important;
    text-align:left !important;
}
.bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-copy strong{
    font-size:13px !important;
}
.bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-copy small{
    margin-top:2px !important;
    font-size:8px !important;
}
.bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-arrow{
    width:22px !important;
    height:22px !important;
    flex:0 0 22px !important;
    font-size:15px !important;
}

@media (max-width:1024px){
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout]{
        --bhm-ai-right:12px !important;
        --bhm-ai-bottom:calc(98px + env(safe-area-inset-bottom, 0px)) !important;
    }
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float,
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-badge{
        width:48px !important;
        min-width:48px !important;
        height:48px !important;
        min-height:48px !important;
        flex-basis:48px !important;
        padding:0 !important;
        border:0 !important;
        border-radius:50% !important;
    }
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float{
        display:grid !important;
        place-items:center !important;
        background:linear-gradient(145deg,#2c74ec,#174cae) !important;
        box-shadow:0 10px 24px rgba(14,60,139,.30),0 0 0 3px rgba(255,255,255,.88) !important;
    }
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-badge{
        display:grid !important;
        place-items:center !important;
        background:transparent !important;
        box-shadow:none !important;
    }
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-badge b{
        font-size:14px !important;
        color:#fff !important;
    }
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-copy,
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-arrow{
        display:none !important;
    }
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-status{
        top:3px !important;
        right:3px !important;
        width:8px !important;
        height:8px !important;
    }
}

@media (max-width:620px){
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout]{
        --bhm-ai-right:10px !important;
        --bhm-ai-bottom:calc(94px + env(safe-area-inset-bottom, 0px)) !important;
    }
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float,
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-badge{
        width:44px !important;
        min-width:44px !important;
        height:44px !important;
        min-height:44px !important;
        flex-basis:44px !important;
    }
    .bhm-ai-widget.bhm-ai-widget--compact[data-layout] .ai-float-badge b{
        font-size:13px !important;
    }
}