.mx-side-float {
    --focus-color: var(--theme-color, #3b82f6);
    --mx-float-color: var(--focus-color);
    position: fixed;
    top: 70%;
    right: 18px;
    z-index: 10010;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    width: 57px;
    padding: 10px 6px 8px;
    border: 1px solid var(--main-border-color, rgba(226, 232, 240, 0.66));
    border-radius: 10px;
    background: var(--main-bg-color, rgba(255, 255, 255, 0.97));
    box-shadow: none;
    transform: translateY(-50%);
    isolation: isolate;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.mx-side-float--bottom {
    top: auto;
    bottom: 80px;
    transform: none;
}

/*
 * 覆盖搜索触发器 .btn 可能带入的主题按钮样式。
 */
.mx-side-float .mx-side-float__item,
.mx-side-float .mx-side-float__item.btn {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    width: 48px;
    min-width: 48px;
    min-height: 48px;
    padding: 0;
    margin: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    box-shadow: none;
    color: var(--muted-2-color, #8b98a9);
    cursor: pointer;
    font: inherit;
    line-height: normal;
    text-decoration: none;
    text-shadow: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.mx-side-float .mx-side-float__item + .mx-side-float__item {
    margin-top: 6px;
}

.mx-side-float .mx-side-float__item::after {
    content: "";
    position: absolute;
    right: 10px;
    bottom: -5px;
    left: 10px;
    height: 1px;
    background: var(--main-border-color, rgba(226, 232, 240, 0.82));
    pointer-events: none;
}

.mx-side-float .mx-side-float__item:last-child::after {
    display: none;
}

.mx-side-float .mx-side-float__item:hover,
.mx-side-float .mx-side-float__item:focus,
.mx-side-float .mx-side-float__item:focus-visible {
    color: var(--mx-float-color, var(--focus-color));
    background: rgba(59, 130, 246, 0.09);
    background: color-mix(in srgb, var(--mx-float-color, var(--focus-color)) 9%, transparent);
    box-shadow: none;
    outline: 0;
    text-decoration: none;
    transform: translateY(-1px);
}

.mx-side-float__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 19px;
    height: 19px;
    color: var(--main-color, #333);
    pointer-events: none;
}

.mx-side-float__icon svg {
    display: block;
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.mx-side-float__label {
    max-width: 100%;
    overflow: hidden;
    color: currentColor;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.1;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
    pointer-events: none;
}



.mx-side-float .mx-side-float__item.has-dot::before {
    content: "";
    position: absolute;
    top: 5px;
    right: 8px;
    z-index: 1;
    width: 10px;
    height: 10px;
    border: 2px solid var(--main-bg-color, #fff);
    border-radius: 50%;
    background: #fb7185;
    pointer-events: none;
    animation: mx-side-float-dot-pulse 1.35s ease-out infinite;
}

@keyframes mx-side-float-dot-pulse {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    70% {
        opacity: 0.42;
        transform: scale(0.82);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* 子比主题夜间模式 */
.dark-theme .mx-side-float {
    border-color: var(--main-border-color, rgba(114, 114, 114, 0.2));
    background: var(--main-bg-color, rgba(50, 51, 53, 0.96));
}

.dark-theme .mx-side-float .mx-side-float__item,
.dark-theme .mx-side-float .mx-side-float__item.btn {
    color: var(--muted-2-color, #b4b6bb);
}

.dark-theme .mx-side-float .mx-side-float__item::after {
    background: var(--main-border-color, rgba(114, 114, 114, 0.2));
}

.dark-theme .mx-side-float__icon {
    color: var(--main-color, #e5eef7);
}

.dark-theme .mx-side-float .mx-side-float__item:hover,
.dark-theme .mx-side-float .mx-side-float__item:focus,
.dark-theme .mx-side-float .mx-side-float__item:focus-visible {
    color: var(--mx-float-color, var(--focus-color));
    background: rgba(59, 130, 246, 0.15);
    background: color-mix(in srgb, var(--mx-float-color, var(--focus-color)) 15%, transparent);
}

.dark-theme .mx-side-float__tip {
    background: rgba(248, 250, 252, 0.94);
    color: #111827;
}

.dark-theme .mx-side-float .mx-side-float__item.has-dot::before {
    border-color: var(--main-bg-color, #323335);
}

@media (hover: none), (pointer: coarse) {
    .mx-side-float__tip {
        display: none;
    }
}

@media (max-width: 768px) {
    .mx-side-float {
        top: auto;
        right: max(12px, env(safe-area-inset-right));
        bottom: calc(92px + env(safe-area-inset-bottom));
        width: 54px;
        padding: 9px 5px;
        transform: none;
    }

    .mx-side-float--mobile-hidden {
        display: none !important;
    }

    .mx-side-float .mx-side-float__item,
    .mx-side-float .mx-side-float__item.btn {
        width: 42px;
        min-width: 42px;
        min-height: 42px;
    }

    .mx-side-float .mx-side-float__item + .mx-side-float__item {
        margin-top: 5px;
    }

    .mx-side-float__label {
        display: none;
    }
}