.side-contact {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.side-contact__group {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 14px;
    border: 1px solid #f0f0f0;
    overflow: visible;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

/* 首尾按钮继承圆角 */
.side-contact__group>.side-contact__item:first-child {
    border-top-left-radius: 14px;
    border-top-right-radius: 14px;
}

.side-contact__group>.side-contact__item:last-child {
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
}

.side-contact__item {
    position: relative;
    width: 72px;
    height: 72px;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    padding: 0;
    text-decoration: none;
    color: #333;
    font-family: inherit;
    font-size: 12px;
    gap: 4px;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    user-select: none;
}

.side-contact__group .side-contact__item+.side-contact__item {
    border-top: 1px solid #f0f0f0;
}

.side-contact__item:hover,
.side-contact__item.is-active {
    background: #eaf2ff;
    color: #0062FF;
}

.side-contact__item:hover .side-contact__label,
.side-contact__item.is-active .side-contact__label {
    color: #0062FF;
}

.side-contact__icon {
    font-size: 22px;
    color: #0062FF;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.side-contact__icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.side-contact__label {
    font-size: 12px;
    color: #666;
    line-height: 1;
}

/* Popup panel */
.side-contact__popup {
    position: absolute;
    right: 72px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.18);
    padding: 16px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.side-contact__close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: #999;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    padding: 0;
    z-index: 1;
}

.side-contact__close:hover {
    background: #f5f5f5;
    color: #333;
}

@media screen and (max-width: 768px) {
    .side-contact__close {
        display: flex;
    }
}

.side-contact__item:hover .side-contact__popup,
.side-contact__item.is-active .side-contact__popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
    pointer-events: auto;
}

.side-contact__popup::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent transparent #fff;
}

.side-contact__popup-title {
    font-size: 14px;
    font-weight: 600;
    color: #111;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.side-contact__popup-desc {
    font-size: 13px;
    color: #666;
    margin-bottom: 12px;
    line-height: 1.5;
}

.side-contact__popup-phone {
    font-size: 20px;
    font-weight: 700;
    color: #0062FF;
    text-align: center;
    padding: 8px 0;
    letter-spacing: 1px;
}

.side-contact__qr {
    display: block;
    width: 140px;
    height: 140px;
    margin: 0 auto;
    border-radius: 8px;
}

.side-contact__qr-tip {
    font-size: 13px;
    color: #666;
    text-align: center;
    margin-top: 10px;
}

/* Booking form specific */
.side-contact__booking-popup {
    min-width: 260px;
}

.side-contact__booking-form .form-group {
    margin-bottom: 10px;
}

.side-contact__booking-form input,
.side-contact__booking-form select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.side-contact__booking-form input:focus,
.side-contact__booking-form select:focus {
    border-color: #0062FF;
}

.side-contact__booking-form .submit-btn {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, #0062FF, #7c3aed);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.side-contact__booking-form .submit-btn:hover {
    opacity: 0.9;
}

/* Online consultation options */
.side-contact__consult-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.side-contact__consult-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: #f8fafc;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    font-size: 13px;
    transition: all 0.2s ease;
}

.side-contact__consult-item:hover {
    background: #eef5ff;
    color: #0062FF;
}

.side-contact__consult-item i {
    font-size: 16px;
    color: #0062FF;
}

.side-contact__consult-item .arrow {
    margin-left: auto;
    font-size: 12px;
    color: #999;
}

.side-contact__consult-item:hover .arrow {
    color: #0062FF;
}

/* Mask for mobile */
.side-contact__mask {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
}

.side-contact__mask.is-visible {
    opacity: 1;
    visibility: visible;
}

/* Mobile responsive */
@media screen and (max-width: 768px) {

    body,
    .app-layout,
    .app-main,
    main,
    .app-footer {
        padding-bottom: 76px;
        padding-bottom: calc(76px + env(safe-area-inset-bottom));
    }

    .side-contact {
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        transform: none;
        flex-direction: column;
        gap: 0;
        z-index: 9999;
        padding: 0;
        background: transparent;
        box-shadow: none;
        border-top: none;
    }

    .side-contact__group {
        flex-direction: row;
        background: #fff;
        border-radius: 0;
        border-top: 1px solid #f0f0f0;
        padding: 8px 0;
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
        box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
    }

    .side-contact__group .side-contact__item+.side-contact__item {
        border-top: none;
        border-left: 1px solid #f0f0f0;
    }

    .side-contact__item {
        flex: 1;
        width: auto;
        height: 56px;
        font-size: 11px;
        border-radius: 0;
        flex-shrink: 1;
        background: transparent;
        box-shadow: none;
        gap: 4px;
    }

    .side-contact__item:hover,
    .side-contact__item.is-active {
        background: #eaf2ff;
        color: #0062FF;
    }

    .side-contact__icon img {
        width: 26px;
        height: 26px;
    }

    .side-contact__label {
        font-size: 11px;
    }

    /* Mobile popup: centered modal */
    .side-contact__popup {
        position: fixed;
        top: 50%;
        left: 50%;
        right: auto;
        transform: translate(-50%, -50%) scale(0.9);
        min-width: 280px;
        max-width: calc(100vw - 40px);
        padding: 32px 20px 20px;
        border-radius: 16px;
        opacity: 0;
        visibility: hidden;
        z-index: 10000;
    }

    .side-contact__item:hover .side-contact__popup {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    .side-contact__item.is-active .side-contact__popup {
        opacity: 1;
        visibility: visible;
        transform: translate(-50%, -50%) scale(1);
        pointer-events: auto;
    }

    .side-contact__popup::after {
        display: none;
    }

    .side-contact__popup-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .side-contact__popup-desc {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .side-contact__popup-phone {
        font-size: 22px;
        padding: 12px 0;
    }

    .side-contact__consult-item {
        padding: 12px 14px;
        font-size: 14px;
    }

    .side-contact__qr {
        width: 160px;
        height: 160px;
    }
}

/* Very small screens */
@media screen and (max-width: 360px) {
    .side-contact__item {
        height: 52px;
    }

    .side-contact__icon img {
        width: 24px;
        height: 24px;
    }

    .side-contact__label {
        font-size: 10px;
    }
}