/* ========== 右下角悬浮按钮组 ========== */
.ts-float-group {
    position: fixed;
    bottom: 24px;
    right: 20px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.ts-float-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 4px 14px rgba(15,23,42,0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    text-decoration: none;
    border: 1px solid rgba(0,0,0,0.06);
    transition: all 0.2s cubic-bezier(.4,0,.2,1);
    overflow: hidden;
    position: relative;
    user-select: none;
}
.ts-float-btn:hover {
    transform: translateY(-2px) scale(1.06);
    box-shadow: 0 8px 22px rgba(15,23,42,0.16);
}
.ts-float-btn:active {
    transform: translateY(0) scale(0.97);
}
.ts-float-btn.ts-call {
    color: #fff;
    background: linear-gradient(135deg,#16a34a,#059669);
    border-color: transparent;
}
.ts-float-btn.ts-call:hover { background: linear-gradient(135deg,#15803d,#047857); }
.ts-float-btn.ts-quote {
    color: #0f2c5e;
    background: linear-gradient(135deg,#fbbf24,#f59e0b);
    border-color: transparent;
    font-size: 16px;
}
.ts-float-btn.ts-quote:hover { background: linear-gradient(135deg,#f59e0b,#d97706); color:#0f2c5e; }

/* 返回顶部：默认隐藏 + 下拉才显示 */
.ts-float-btn.ts-top {
    color: #fff;
    background: linear-gradient(135deg,#1e88e5,#1565c0);
    border-color: transparent;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    pointer-events: none;
    transition: opacity .3s ease, transform .3s ease, visibility .3s;
}
.ts-float-btn.ts-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}
.ts-float-btn.ts-top:hover { background: linear-gradient(135deg,#1976d2,#0d47a1); }

/* 悬停文字标签 */
.ts-float-btn .ts-fb-label {
    position: absolute;
    right: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    background: #0f172a;
    color: #fff;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    transition: all .2s;
    pointer-events: none;
    line-height: 1.4;
    white-space: nowrap;
}
.ts-float-btn .ts-fb-label::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 6px; height: 6px;
    background: #0f172a;
}
.ts-float-btn:hover .ts-fb-label { opacity: 1; transform: translateY(-50%) translateX(0); }

@media (max-width: 768px) {
    .ts-float-group { right: 12px; bottom: 16px; gap: 6px; }
    .ts-float-btn { width: 44px; height: 44px; border-radius: 10px; font-size: 17px; }
    .ts-float-btn .ts-fb-label { display: none; }
}