/* ========== 微信咨询悬浮按钮 ========== */
.wechat-float-btn {
    position: fixed;
    right: 10px;
    bottom: calc(70px + env(safe-area-inset-bottom));
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #07C160 0%, #06AD56 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(7, 193, 96, 0.4);
    z-index: 999;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.2s;
    user-select: none;
}
.wechat-float-btn:active { transform: scale(0.92); }
.wechat-float-btn-icon { font-size: 22px; line-height: 1; }
.wechat-float-btn-text { font-size: 10px; margin-top: 2px; line-height: 1; }

/* ========== 微信二维码弹窗 ========== */
.wechat-modal-mask {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}
.wechat-modal-mask.show { display: flex; }
.wechat-modal-box {
    background: #fff;
    border-radius: 16px;
    padding: 24px 20px;
    width: 280px;
    text-align: center;
    position: relative;
}
.wechat-modal-close {
    position: absolute;
    top: 8px; right: 12px;
    font-size: 24px; color: #999;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.wechat-modal-title {
    font-size: 17px; font-weight: 600; color: #333;
    margin-bottom: 16px;
}
.wechat-modal-qrcode {
    width: 240px; height: 240px;
    background: #fff;
    display: block;
    margin: 0 auto;
    user-select: none;
    -webkit-user-drag: none;
    -webkit-touch-callout: none;
}
.wechat-modal-tip {
    font-size: 13px; color: #666;
    margin-top: 14px; line-height: 1.6;
}
.wechat-modal-tip strong { color: #07C160; }