#online-service {
    position: fixed;
    right: 18px;
    top: calc(50% - 130px);
    z-index: 2000000001;
    font: 14px/1.5 "Microsoft YaHei", sans-serif;
    letter-spacing: 0;
    text-align: left;
    color: #102033;
}
#online-service *, #online-service *::before, #online-service *::after { box-sizing: border-box; }
#online-service[hidden], #online-service [hidden] { display: none !important; }
#online-service button, #online-service a { font: inherit; cursor: pointer; text-decoration: none; }
#online-service button:focus-visible, #online-service a:focus-visible { outline: 2px solid #1659dc; outline-offset: 3px; }
#online-service .online-service-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 50px;
    padding: 7px 15px 7px 8px;
    border: 1px solid #1ebe60;
    border-radius: 25px;
    background: #16b653;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 12px 28px rgba(22, 163, 74, .25);
}
#online-service .online-service-toggle img { display: block; width: 34px; height: 34px; border-radius: 50%; background: #fff; }
#online-service .online-service-panel {
    position: absolute;
    right: 0;
    top: 60px;
    width: 260px;
    max-width: calc(100vw - 28px);
    max-height: calc(50vh + 52px);
    max-height: calc(50dvh + 52px - env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
    padding: 14px;
    margin: 0;
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 20px 60px rgba(15, 23, 42, .22);
}
#online-service .online-service-head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
#online-service strong, #online-service small { display: block; }
#online-service strong { font-size: 16px; font-weight: bold; }
#online-service small { margin-top: 4px; font-size: 12px; color: #667085; }
#online-service .online-service-close {
    flex: 0 0 30px;
    height: 30px;
    padding: 0;
    border: 1px solid #dbe7f2;
    border-radius: 50%;
    background: #fff;
    color: #475467;
    font-size: 20px;
    line-height: 28px;
}
#online-service .online-service-chat, #online-service .online-service-qq {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 38px;
    padding: 8px;
    border: 0;
    border-radius: 6px;
    color: #fff;
    font-weight: bold;
    text-align: center;
}
#online-service .online-service-chat { background: #1659dc; }
#online-service .online-service-chat:hover { background: #124bbd; }
#online-service .online-service-chat:disabled { opacity: .65; cursor: wait; }
#online-service .online-service-qq { background: #16a34a; }
#online-service .online-service-qq:hover { background: #15803d; }
#online-service .online-service-qr { display: block; width: 190px; max-width: 100%; height: auto; margin: 12px auto; border: 1px solid #e5eef7; }
#online-service .online-service-wechat { display: block; margin-top: 8px; color: #15803d; font-size: 13px; font-weight: bold; text-align: center; }
#online-service .online-service-error { margin: 8px 0 0; color: #b42318; font-size: 12px; }
@media (max-width: 600px) {
    #online-service { right: 14px; }
}