body {
    background-color: #F8F8F8;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
.custom-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2.75rem;
    padding-top: var(--status-bar-height);
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 0.9375rem;
    padding-right: 0.9375rem;
    box-sizing: content-box;
    z-index: 100;
}
.header-placeholder {
    height: calc(2.75rem + var(--status-bar-height));
}
.back-icon {
    width: 1.25rem;
    height: 1.25rem;
}
.header-title {
    font-size: 0.875rem; /* 14pt */
    font-weight: bold;
    color: #333;
}
.header-right {
    width: 1.25rem;
}
.container {
    padding: 0.625rem 0.9375rem;
}
.group-card {
    background-color: #fff;
    border-radius: 0.625rem;
    padding: 0 0.9375rem;
    margin-bottom: 0.9375rem;
}
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 3.125rem;
    border-bottom: 1px solid #F5F5F5;
}
.list-item.no-border {
    border-bottom: none;
}
.item-title {
    font-size: 0.875rem;
    color: #333;
}
.item-right {
    display: flex;
    align-items: center;
}
.arrow-icon {
    width: 0.875rem;
    height: 0.875rem;
    opacity: 0.5;
    margin-left: 0.3125rem;
}
.user-avatar {
    width: 2rem; /* Smaller avatar */
    height: 2rem;
    border-radius: 50%;
}
.item-value {
    font-size: 0.875rem;
    color: #999;
}
.item-value-black {
    font-size: 0.875rem;
    color: #333;
    font-weight: 500;
}
.tag-blue-outline {
    font-size: 0.75rem;
    color: #2979FF;
    border: 1px solid #2979FF;
    padding: 0.125rem 0.625rem;
    border-radius: 0.9375rem;
    background-color: #fff;
}

/* Popup Styles */
.popup-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 999;
    display: flex;
    align-items: flex-end;
}
.popup-content {
    width: 100%;
    background-color: #fff;
    border-top-left-radius: 0.625rem;
    border-top-right-radius: 0.625rem;
    padding-bottom: 0.9375rem; /* Safe area */
}
.popup-title {
    text-align: center;
    font-size: 0.875rem;
    color: #999;
    padding: 0.9375rem 0;
    border-bottom: 1px solid #eee;
}
.popup-item {
    text-align: center;
    font-size: 1rem;
    color: #333;
    padding: 0.9375rem 0;
    border-bottom: 1px solid #eee;
}
.popup-cancel {
    text-align: center;
    font-size: 1rem;
    color: #333;
    padding: 0.9375rem 0;
    margin-top: 0.625rem;
    border-top: 0.3125rem solid #f5f5f5;
}
.popup-header-row {
    display: flex;
    justify-content: space-between;
    padding: 0.9375rem;
    border-bottom: 1px solid #eee;
}
.popup-btn-cancel { font-size: 0.875rem; color: #666;
}
.popup-title-text { font-size: 1rem; font-weight: bold; color: #333;
}
.popup-btn-confirm { font-size: 0.875rem; color: #FF5722; font-weight: bold;
}

/* 级联城市选择器（与我要加入页面一致） */
.picker-body {
    display: flex;
    height: 15.625rem;
}
.timeline-area {
    width: 7.5rem;
    padding: 0.625rem;
    background: #f8f8f8;
    border-right: 1px solid #eee;
    overflow-y: auto;
}
.timeline-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    font-size: 0.8125rem;
    color: #666;
}
.timeline-item.active {
    color: #FF5722;
    font-weight: bold;
}
.timeline-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: #ccc;
    margin-right: 0.375rem;
    flex-shrink: 0;
}
.timeline-item.active .timeline-dot {
    background: #FF5722;
}
.list-area {
    flex: 1;
    height: 100%;
}
.list-area .list-item {
    padding: 0.75rem 0.9375rem;
    font-size: 0.875rem;
    color: #333;
    border-bottom: 1px solid #f5f5f5;
}