/* 联系列表 */
.sidebar .concat-list {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    list-style: none;
    margin: 0;
}

/* 联系人 */
.sidebar .concat-item {
    width: 100%;
    border-radius: 12px;
    transition: var(--transition);
    overflow: hidden;
}

.sidebar .concat-item:hover {
    transform: translateX(4px);
}

.sidebar .concat-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    text-decoration: none;
    color: inherit;
    background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-card-hover) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.sidebar .concat-item:hover a {
    background: linear-gradient(145deg, var(--bg-card-hover) 0%, var(--bg-card) 100%);
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

/* 图标包装器 */
.sidebar .concat-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.sidebar .concat-icon-wrapper svg {
    width: 24px;
    height: 24px;
}

/* Telegram */
.sidebar .concat-icon-wrapper.telegram {
    background: var(--primary);
    color: var(--bg-dark);
}

/* Email */
.sidebar .concat-icon-wrapper.email {
    background: var(--primary);
    color: var(--bg-dark);
}

/* QQ */
.sidebar .concat-icon-wrapper.qq {
    background: var(--primary);
    color: var(--bg-dark);
}

.sidebar .concat-item:hover .concat-icon-wrapper {
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
}

/* 联系信息 */
.sidebar .concat-info {
    flex: 1;
    min-width: 0;
}

.sidebar .concat-label {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 2px;
    font-weight: 500;
}

.sidebar .concat-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-white);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.sidebar .concat-item:hover .concat-value {
    color: var(--primary);
}

/* 箭头图标 */
.sidebar .concat-arrow {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: var(--transition);
}

.sidebar .concat-item:hover .concat-arrow {
    color: var(--primary);
    transform: translateX(4px);
}

/* ==================== 响应式适配 ==================== */

/* 1000-1200px 屏幕适配 */
@media screen and (min-width: 1000px) and (max-width: 1200px) {
    .sidebar {
        position: relative;
        margin-top: 0;
        transform: none;
        top: auto;
    }

    .sidebar .concat-list {
        padding: 10px;
        gap: 6px;
    }

    .sidebar .concat-item a {
        padding: 10px;
        gap: 10px;
    }

    .sidebar .concat-icon-wrapper {
        width: 40px;
        height: 40px;
    }

    .sidebar .concat-icon-wrapper svg {
        width: 20px;
        height: 20px;
    }

    .sidebar .concat-label {
        font-size: 0.9rem;
    }

    .sidebar .concat-value {
        font-size: 1rem;
    }

    .sidebar .concat-arrow {
        width: 16px;
        height: 16px;
    }
}

/* 小屏幕适配 */
@media screen and (max-width: 480px) {
    .sidebar {
        border-radius: 12px;
        position: relative;
        margin-top: 0;
        transform: none;
        top: auto;
    }

    .sidebar .sidebar-header {
        padding: 16px;
    }

    .sidebar .header-title {
        font-size: 1.1rem;
    }

    .sidebar .concat-list {
        padding: 10px;
        gap: 6px;
    }

    .sidebar .concat-item a {
        padding: 10px;
        gap: 10px;
    }

    .sidebar .concat-icon-wrapper {
        width: 40px;
        height: 40px;
    }

    .sidebar .concat-icon-wrapper svg {
        width: 20px;
        height: 20px;
    }

    .sidebar .concat-value {
        font-size: 1rem;
    }
}