.main_kefu {
    --kefu-accent: #bf2323;
    --kefu-text: #bf2323;
    --kefu-line: #dedede;
    position: fixed;
    top: 50%;
    right: 0;
    z-index: 55;
    width: 56px;
    color: var(--kefu-text);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    transform: translateY(-50%);
}

.main_kefu,
.main_kefu * {
    box-sizing: border-box;
}

.main_kefu button,
.main_kefu a {
    -webkit-tap-highlight-color: transparent;
}

.main_kefu__toggle,
.main_kefu__actions {
    background: rgba(255, 255, 255, 0.98);
}

.main_kefu__toggle {
    position: relative;
    display: flex;
    width: 56px;
    height: 56px;
    margin: 0;
    padding: 0;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 24px 0 0 0;
    color: var(--kefu-accent);
    cursor: pointer;
    box-shadow: -10px -8px 28px rgba(31, 42, 55, 0.06);
}

.main_kefu__toggle::after,
.main_kefu__item::after {
    position: absolute;
    right: 10px;
    left: 10px;
    bottom: 0;
    height: 1px;
    background: var(--kefu-line);
    content: "";
}

.main_kefu__actions {
    border-radius: 0 0 0 24px;
    box-shadow: -12px 16px 32px rgba(31, 42, 55, 0.09);
}

.main_kefu__item {
    position: relative;
}

.main_kefu__action {
    display: flex;
    width: 56px;
    height: 78px;
    margin: 0;
    padding: 9px 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    border: 0;
    background: transparent;
    color: var(--kefu-text);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 180ms ease, color 180ms ease;
}

.main_kefu__action:hover,
.main_kefu__action:focus-visible,
.main_kefu__toggle:hover,
.main_kefu__toggle:focus-visible {
    background-color: #fbf1f1;
    color: var(--kefu-accent);
    outline: none;
}

.main_kefu__action:active,
.main_kefu__toggle:active {
    transform: translateY(1px);
}

.main_kefu__label {
    font-size: 15px;
    line-height: 1;
    white-space: nowrap;
}

.main_kefu__icon {
    display: block;
    width: 40px;
    height: 40px;
    background-color: var(--kefu-accent);
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-size: 40px 40px;
    mask-size: 40px 40px;
}

.main_kefu__icon--phone {
    -webkit-mask-image: url("../images/kefu-phone-red.png");
    mask-image: url("../images/kefu-phone-red.png");
}

.main_kefu__icon--wechat {
    -webkit-mask-image: url("../images/kefu-wechat-red.png");
    mask-image: url("../images/kefu-wechat-red.png");
}

.main_kefu__chevron {
    display: block;
    width: 40px;
    height: 40px;
    background-color: var(--kefu-accent);
    -webkit-mask: url("../images/kefu-collapse-red.png") center / 40px 40px no-repeat;
    mask: url("../images/kefu-collapse-red.png") center / 40px 40px no-repeat;
}

.main_kefu__action--top {
    height: 56px;
    padding: 0;
    border-radius: 0 0 0 24px;
}

.main_kefu__chevron--up {
    -webkit-mask-image: url("../images/kefu-top-red.png");
    mask-image: url("../images/kefu-top-red.png");
}

.main_kefu__panel {
    position: absolute;
    top: 50%;
    right: calc(100% + 10px);
    z-index: -1;
    border: 1px solid #f0f0f0;
    background: rgba(255, 255, 255, 0.98);
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 12px 34px rgba(31, 42, 55, 0.10);
    transform: translate(12px, -50%);
    transition: opacity 180ms ease, transform 220ms ease;
}

.main_kefu__item::before {
    position: absolute;
    top: 0;
    right: 100%;
    width: 12px;
    height: 100%;
    content: "";
}

.main_kefu__panel--phone {
    width: 245px;
    padding: 26px 23px;
    text-align: left;
}

.main_kefu__panel--phone span {
    display: block;
    margin-bottom: 8px;
    color: var(--kefu-accent);
    font-size: 17px;
    line-height: 1;
}

.main_kefu__panel--phone strong {
    display: block;
    color: var(--kefu-accent);
    font-family: Arial, sans-serif;
    font-size: 24px;
    line-height: 1;
    letter-spacing: 1px;
    white-space: nowrap;
}

.main_kefu__panel--wechat {
    width: 138px;
    padding: 8px;
}

.main_kefu__panel--wechat img {
    display: block;
    width: 120px;
    height: 120px;
    object-fit: cover;
}

.main_kefu__item:hover .main_kefu__panel,
.main_kefu__item:focus-within .main_kefu__panel {
    z-index: 1;
    opacity: 1;
    pointer-events: auto;
    transform: translate(0, -50%);
}

.main_kefu.is-collapsed .main_kefu__actions {
    display: none;
}

.main_kefu.is-collapsed .main_kefu__toggle {
    height: 54px;
    border-radius: 24px 0 0 24px;
    box-shadow: -10px 8px 28px rgba(31, 42, 55, 0.10);
}

.main_kefu.is-collapsed .main_kefu__toggle::after {
    display: none;
}

.main_kefu.is-collapsed .main_kefu__chevron {
    -webkit-mask-image: url("../images/kefu-expand-red.png");
    mask-image: url("../images/kefu-expand-red.png");
}

.main_kefu__sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media only screen and (max-width: 768px) {
    .main_kefu {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .main_kefu__action,
    .main_kefu__toggle,
    .main_kefu__chevron,
    .main_kefu__panel {
        transition: none;
    }
}