.deco-online-service {
    position: fixed;
    right: 30px;
    bottom: 90px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-family: Arial, sans-serif;
}

.deco-online-service__item {
    position: relative;
}

.deco-online-service__button,
.deco-online-service__top {
    box-sizing: border-box;
    display: grid;
    width: 60px;
    height: 60px;
    padding: 0;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: #4fbe67;
    color: #fff;
    box-shadow: 0 7px 20px rgba(15, 23, 42, .16);
    cursor: pointer;
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease;
}

.deco-online-service__button:hover,
.deco-online-service__button:focus-visible,
.deco-online-service__top:hover,
.deco-online-service__top:focus-visible {
    transform: translateX(-3px);
    box-shadow: 0 10px 25px rgba(15, 23, 42, .22);
    outline: none;
}

.deco-online-service__icon {
    width: 30px;
    height: 30px;
    color: #fff;
    fill: #fff;
    font-size: 26px;
    font-style: normal;
    font-weight: 700;
    line-height: 1;
}

.deco-online-service__icon path,
.deco-online-service__icon rect,
.deco-online-service__icon circle { fill: #fff; }

.deco-online-service__icon .icon-line {
    fill: none;
    stroke: #4fbe67;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.deco-online-service--email .deco-online-service__icon .icon-line { stroke: #ef9a3e; }
.deco-online-service__icon .icon-eye { fill: #44bf70; }
.deco-online-service__icon .icon-line--messenger,
.deco-online-service__icon .icon-line--teams { stroke: currentColor; stroke-width: 2; }

.deco-online-service--email .deco-online-service__button { background: #ef9a3e; }
.deco-online-service--telegram .deco-online-service__button { background: #4ca9e8; }
.deco-online-service--facebookmessenger .deco-online-service__button { background: #3378e7; }
.deco-online-service--teams .deco-online-service__button { background: #6264a7; }
.deco-online-service--line .deco-online-service__button { background: #4fbe5c; }
.deco-online-service--wechat .deco-online-service__button { background: #44bf70; }
.deco-online-service--line .deco-online-service__word-icon {
    display: grid;
    place-items: center;
    font-family: Arial, sans-serif;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: -.4px;
}

.deco-online-service__popover {
    position: absolute;
    top: 50%;
    right: 66px;
    display: flex;
    min-width: 155px;
    max-width: 240px;
    padding: 14px;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    border: 1px solid #edf0f4;
    border-radius: 10px;
    background: #fff;
    color: #364152;
    box-shadow: 0 12px 34px rgba(15, 23, 42, .15);
    opacity: 0;
    pointer-events: none;
    transform: translate(8px, -50%);
    transition: opacity .16s ease, transform .16s ease;
}

.deco-online-service__popover::after {
    position: absolute;
    top: 50%;
    right: -6px;
    width: 10px;
    height: 10px;
    border-top: 1px solid #edf0f4;
    border-right: 1px solid #edf0f4;
    background: #fff;
    content: '';
    transform: translateY(-50%) rotate(45deg);
}

.deco-online-service__popover strong {
    font-size: 14px;
    font-weight: 600;
}

.deco-online-service__popover span {
    max-width: 210px;
    color: #667085;
    font-size: 12px;
    overflow-wrap: anywhere;
}

.deco-online-service__popover img {
    display: block;
    width: 126px;
    height: 126px;
    border-radius: 5px;
    object-fit: contain;
}

.deco-online-service__item:hover .deco-online-service__popover,
.deco-online-service__item:focus-within .deco-online-service__popover,
.deco-online-service__item.is-open .deco-online-service__popover {
    opacity: 1;
    pointer-events: auto;
    transform: translate(0, -50%);
}

/* 编辑态保持可交互(hover 效果可见);点击拦截在 online-service.js 中处理,
   不能用 pointer-events:none —— 那会让点击穿透到下层模块触发配置编辑 */

/* 回到顶部按钮: 灰底白箭头, 滚动离开顶部时由 JS 加 is-visible 显示 */
.deco-online-service__top {
    background: #909399;
}
.deco-online-service__icon--stroke,
.deco-online-service__icon--stroke path { fill: none; }
.deco-online-service__top .icon-line { stroke: #fff; stroke-width: 2.5; }
.deco-online-service__top {
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease, transform .18s ease, box-shadow .18s ease;
}
.deco-online-service__top.is-visible {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 767px) {
    .deco-online-service { right: 15px; bottom: 140px; gap: 8px; }
    .deco-online-service__button,
    .deco-online-service__top { width: 40px; height: 40px; }
    .deco-online-service__icon { width: 20px; height: 20px; font-size: 17px; }
    .deco-online-service__popover { right: 46px; }
}

/* 移动端页首(.ly_header, header.css)无条件提升到 z-index:10000, 页首高度较大时
   会盖住客服(z-index:9999)。这里把客服提到 10001 保证不被页首遮挡;
   移动端导航抽屉打开时(body.deco-mobile-nav-open, 见 header.html)降回 9999,
   让抽屉(页首层级内)盖住客服, 保持"打开抽屉盖住客服区域"的既有设计。 */
@media (max-width: 1000px) {
    .deco-online-service { z-index: 10001; }
    body.deco-mobile-nav-open .deco-online-service { z-index: 9999; }
}